{"kind": "product", "path": "vulns/debian-13/rsync", "name": "rsync", "product": "rsync", "ecosystem": "Debian:13", "items": [{"id": "CVE-2026-70452", "noindex": false, "published": "2026-08-13T14:46:50.541Z", "modified": "2026-08-14T16:51:18.322Z", "cvss": 9.1, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "severity": "critical", "epss": 0.00462, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70452", "title": "rsync 3.1.0 < 3.5.0 Access Control Bypass via DNS Resolution Failure", "description": "rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the rule rather than defaulting to a deny decision, enabling attackers who can trigger DNS failures to bypass module-level IP access controls and gain unauthorized access to restricted module file trees.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-6692-28cx-wpqq", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-access-control-bypass-via-dns-resolution-failure"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70453", "noindex": false, "published": "2026-08-13T14:46:20.696Z", "modified": "2026-08-14T16:51:19.016Z", "cvss": 8.7, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00525, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70453", "title": "rsync < 3.5.0 Algorithmic Complexity DoS via hash_search()", "description": "rsync before 3.5.0 contains an algorithmic complexity vulnerability in the hash_search() function that allows a remote attacker to cause a denial of service by delivering a carefully constructed file list. A sender can exploit the quadratic-time worst-case behavior in hash lookups to exhaust receiver CPU resources with a modest number of crafted entries, causing a sustained denial of service.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-8x5r-mjx8-83hv", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-algorithmic-complexity-dos-via-hash-search"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70454", "noindex": false, "published": "2026-08-13T14:45:39.599Z", "modified": "2026-08-14T16:51:19.681Z", "cvss": 7.6, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.0019, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70454", "title": "rsync < 3.5.0 TLS Certificate Validation Bypass via SSL/OpenSSL Mode", "description": "rsync 3.2.0 through 3.2.3 (openssl mode) and rsync-ssl through 3.4.4 (stunnel mode) contain a TLS certificate validation vulnerability that allows on-path attackers to intercept encrypted sessions by presenting self-signed or otherwise invalid certificates. Attackers can exploit the failure to validate server TLS certificates against a trusted CA or verify certificate hostname matching to decrypt or tamper with rsync session content without detection by the client.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-3c3x-ww2w-5r5p", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-tls-certificate-validation-bypass-via-ssl-openssl-mode"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70455", "noindex": false, "published": "2026-08-13T14:45:11.164Z", "modified": "2026-08-14T19:45:47.934Z", "cvss": 8.7, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00566, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70455", "title": "rsync 3.4.2 < 3.5.0 DoS via --zt Zstandard Compression Thread Exhaustion", "description": "rsync 3.4.2 before 3.5.0 contains a denial of service vulnerability that allows a remote sender to exhaust system resources by specifying the --zt short alias for --compress-threads, which bypasses the refuse options directive's string matching on long option names. Attackers can specify --zt=N with a large value to spawn an unbounded number of Zstandard worker threads on the receiver, exhausting available thread and memory resources.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-rjvj-qgqg-cvx9", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-dos-via-zt-zstandard-compression-thread-exhaustion"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70456", "noindex": false, "published": "2026-08-13T14:44:56.646Z", "modified": "2026-08-14T16:51:20.980Z", "cvss": 8.8, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00396, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70456", "title": "rsync 3.0.1 < 3.5.0 Heap Out-of-Bounds Write via read_args()", "description": "rsync 3.0.1 before 3.5.0 contains an out-of-bounds write vulnerability in the read_args() function that allows a malicious sender to corrupt adjacent heap memory by sending a crafted argument list. When the argument count causes the argv allocation to be exactly full, the trailing NULL terminator is written one slot beyond the allocation boundary, corrupting adjacent heap memory.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-78jc-79jv-v6rw", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-heap-out-of-bounds-write-via-read-args"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70457", "noindex": false, "published": "2026-08-13T14:44:30.104Z", "modified": "2026-08-14T16:51:21.628Z", "cvss": 8.3, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00377, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70457", "title": "rsync 3.2.3 < 3.5.0 Out-of-Bounds Write via parse_size_arg()", "description": "rsync 3.2.3 before 3.5.0 contains an out-of-bounds write in parse_size_arg() where the return value of snprintf() is used directly as an index into a .bss-segment array without bounds checking. When snprintf truncates the formatted size string, the return value equals the number of characters that would have been written including the truncated portion, and this value may exceed the array length. The subsequent indexed write targets memory outside the intended array bounds, corrupting .bss memory.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-pg7g-xqmr-xpfh", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-out-of-bounds-write-via-parse-size-arg"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70458", "noindex": false, "published": "2026-08-13T14:44:06.034Z", "modified": "2026-08-14T16:51:22.283Z", "cvss": 8.8, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00396, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70458", "title": "rsync 3.0.0 < 3.5.0 Out-of-Bounds Write via FLAG_HLINKED Handling", "description": "rsync 3.0.0 before 3.5.0 contains an out-of-bounds write vulnerability that allows attackers to corrupt memory by triggering HLINK_BUMP processing on file entries with the FLAG_HLINKED flag set while the hard-link preservation option is inactive. Attackers can exploit the missing F_SUM field in the file_struct layout to access memory past the end of the allocated structure, corrupting adjacent heap or stack data.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-gg3m-4m9m-268h", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-out-of-bounds-write-via-flag-hlinked-handling"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70459", "noindex": false, "published": "2026-08-13T14:43:32.853Z", "modified": "2026-08-14T19:45:59.519Z", "cvss": 6.9, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00721, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70459", "title": "rsync 3.0.0 < 3.5.0 Daemon Crash via Malformed File List Entry", "description": "rsync 3.0.0 before 3.5.0 contains a null pointer dereference vulnerability in the daemon child process that allows remote attackers to crash the daemon by sending a file list whose first entry is a dot entry not typed as a directory. The daemon dereferences the first file list entry as a directory structure pointer without verifying the entry type, resulting in an invalid or uninitialized pointer dereference that terminates the client connection.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-p4v4-qxw9-q72m", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-daemon-crash-via-malformed-file-list-entry"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70460", "noindex": false, "published": "2026-08-13T14:43:06.250Z", "modified": "2026-08-14T16:51:23.590Z", "cvss": 9.2, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "severity": "critical", "epss": 0.00448, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70460", "title": "rsync 2.3.3 < 3.5.0 Path Traversal via --partial-dir/--backup-dir Symlink", "description": "rsync 2.3.3 before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to escape the module root by exploiting symlinks within the module file tree when using --partial-dir or --backup-dir options. Attackers with write access to place a symlink under the module root, or who can exploit a pre-existing trusted symlink, can direct file writes to locations outside the intended module root, achieving arbitrary file write relative to the module root parent.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-w3xf-j2r2-gv4x", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-path-traversal-via-partial-dir-backup-dir-symlink"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70461", "noindex": false, "published": "2026-08-13T14:42:49.726Z", "modified": "2026-08-14T16:51:24.285Z", "cvss": 8.8, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.0057, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70461", "title": "rsync 3.2.5 < 3.5.0 Heap Out-of-Bounds Write via files-from Entry", "description": "rsync 3.2.5 before 3.5.0 contains a heap out-of-bounds write vulnerability that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of a heap allocation by supplying a crafted files-from entry. Attackers can trigger the vulnerability against a read-only rsync daemon module by providing a files-from entry containing both an interior and trailing backslash, causing the add_implied_include() function to under-count the trailing backslash when sizing the destination buffer.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-jhxm-j4mq-3fj4", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-heap-out-of-bounds-write-via-files-from-entry"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70462", "noindex": false, "published": "2026-08-13T14:42:28.449Z", "modified": "2026-08-14T16:51:24.927Z", "cvss": 7.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00452, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70462", "title": "rsync 3.1.0 < 3.5.0 Signed Integer Overflow via MSG_IO_TIMEOUT", "description": "rsync 3.1.0 before 3.5.0 contains a signed integer overflow vulnerability in the I/O timeout implementation that allows attackers to permanently disable connection timeouts by injecting MSG_IO_TIMEOUT messages carrying non-positive (zero or negative) values. Attackers can craft malicious MSG_IO_TIMEOUT messages that cause the timeout variable to wrap to a non-positive value, preventing the timeout check from firing and enabling idle or stalled connections to hold daemon slots indefinitely, leading to resource exhaustion.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-j9wh-5jmp-2m64", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-signed-integer-overflow-via-msg-io-timeout"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70463", "noindex": false, "published": "2026-08-13T14:42:07.126Z", "modified": "2026-08-14T18:09:40.113Z", "cvss": 8.6, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00364, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70463", "title": "rsync 3.1.0 < 3.5.0 Authorization Bypass via auth users Directive Parsing", "description": "rsync 3.1.0 before 3.5.0 contains an authorization bypass in auth users directive parsing. The auth users parser uses comma-only tokenization when splitting the user list, which fails to correctly handle entries of the form @Group Name where the group name contains a space. The space within the group name causes the parser to split the entry at the space boundary, discarding the deny rule associated with the group. An authenticated user whose username or group membership would be denied by an @Group Name auth users entry can connect to a restricted module because the deny rule is silently discarded during parsing.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-pfj8-79vq-xgvr", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-authorization-bypass-via-auth-users-directive-parsing"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-70464", "noindex": false, "published": "2026-08-13T14:41:47.987Z", "modified": "2026-08-14T16:51:26.225Z", "cvss": 8.7, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00573, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-70464", "title": "rsync 2.0.0 < 3.5.0 Connection Slot Exhaustion DoS via Handshake Stall", "description": "rsync daemon 2.0.0 before 3.5.0 contains a denial of service vulnerability that allows unauthenticated remote attackers to exhaust daemon connection slots by stalling the handshake process before or after module selection without triggering the I/O timeout. Attackers can open many simultaneous connections and trickle data at the minimum rate to avoid timeout, or stall entirely before module selection where no timeout applies, consuming all available connection slots and denying service to legitimate clients.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-hrwq-ccf7-rw5m", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-connection-slot-exhaustion-dos-via-handshake-stall"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-53801", "noindex": false, "published": "2026-08-13T14:41:27.424Z", "modified": "2026-08-14T16:50:15.922Z", "cvss": 8.2, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00286, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-53801", "title": "rsync < 3.5.0 Symlink Race Condition Directory Traversal", "description": "rsync before 3.5.0 contains a symlink race condition vulnerability in the sender's directory scanning logic that allows attackers to cause the sender to enumerate and transfer files outside the module root's intended subtree. Attackers who can create or manipulate symlinks in a path component of the scanned tree can replace a symlink with a directory entry pointing outside the module root between the lstat() call and the subsequent opendir() call, exposing files beyond the intended root in both daemon-mode and non-daemon sender-side scanning.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-mch3-qr4p-chgm", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-symlink-race-condition-directory-traversal"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-53800", "noindex": false, "published": "2026-08-13T14:40:57.690Z", "modified": "2026-08-14T16:50:15.217Z", "cvss": 5.7, "cvss_vector": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00142, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-53800", "title": "rsync < 3.5.0 Symlink Race Condition via --remove-source-files", "description": "rsync before 3.5.0 contains a symlink race condition vulnerability in the --remove-source-files feature that allows attackers with symlink creation access to cause arbitrary file deletion. Attackers can atomically substitute a symlink for a source file between transfer completion and the unlink() call, causing rsync to delete the symlink target rather than the intended source file.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-v3vw-pvpg-chwh", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-symlink-race-condition-via-remove-source-files"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-53799", "noindex": false, "published": "2026-08-13T14:40:45.664Z", "modified": "2026-08-14T18:09:48.102Z", "cvss": 7.2, "cvss_vector": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00122, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-53799", "title": "rsync < 3.5.0 Symlink Race Condition via ACL/xattr Application", "description": "rsync before 3.5.0 contains a symlink race condition vulnerability that allows local attackers to cause rsync to apply arbitrary ACLs or extended attributes to unintended files by substituting a symlink at a predictable destination path between the file write and the subsequent acl_set_file() or lsetxattr() call. Attackers can exploit this timing window to redirect ACL and xattr application through a crafted symlink to files outside the intended destination tree, potentially granting elevated permissions and enabling local privilege escalation.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-phxh-hjqv-39c9", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-symlink-race-condition-via-acl-xattr-application"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-53797", "noindex": false, "published": "2026-08-13T14:40:19.547Z", "modified": "2026-08-14T16:50:13.211Z", "cvss": 5.7, "cvss_vector": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00143, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-53797", "title": "rsync < 3.5.0 Symlink Race Condition Information Disclosure", "description": "rsync before 3.5.0 contains a symlink race condition vulnerability in the sender's source tree traversal that allows an attacker who can manipulate a parent directory of the source tree to redirect file reads to unintended paths. Attackers can atomically replace a parent directory component with a symlink pointing outside the source root between path resolution and file open operations to disclose file contents outside the intended transfer root.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-3jj3-qvc7-jp6x", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-symlink-race-condition-information-disclosure"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-53796", "noindex": false, "published": "2026-08-13T14:39:46.882Z", "modified": "2026-08-14T16:50:12.555Z", "cvss": 5.8, "cvss_vector": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00133, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-53796", "title": "rsync < 3.5.0 TOCTOU Race Condition via Destination Directory Handling", "description": "rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the non-daemon receiver's destination directory handling that allows an attacker who can manipulate destination path parent components to redirect file writes to unintended locations. Attackers can substitute a symlink for a component of the destination path between the path resolution and chdir() call, causing the receiver's working directory to be established outside the intended destination tree so that subsequent relative-path file writes land in unintended filesystem locations.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-w75h-ccff-w53m", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-toctou-race-condition-via-destination-directory-handling"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-53795", "noindex": false, "published": "2026-08-13T14:39:26.044Z", "modified": "2026-08-14T20:18:00.445Z", "cvss": 7.2, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00396, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-53795", "title": "rsync < 3.5.0 Arbitrary File Write via --temp-dir/--link-dest", "description": "rsync before 3.5.0 contains an arbitrary file write vulnerability that allows attackers to write files outside the intended destination tree by specifying an absolute path via --temp-dir or --link-dest options. The rename-confinement logic is bypassed when these options resolve to paths outside the destination tree, enabling attacker-controlled values to write files to arbitrary locations accessible to the rsync process.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-m9vj-637x-v6pq", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-arbitrary-file-write-via-temp-dir-link-dest"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-53794", "noindex": false, "published": "2026-08-13T14:39:01.158Z", "modified": "2026-08-14T16:50:11.227Z", "cvss": 6.9, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00507, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-53794", "title": "rsync < 3.5.0 Denial of Service via --max-alloc=0 Logic Error", "description": "rsync before 3.5.0 contains a logic error in --max-alloc handling that allows a sender or configuration setting --max-alloc=0 to disable allocation sanity checks entirely rather than enforcing a zero-byte cap. Attackers can exploit this flaw to cause the receiver to attempt unbounded memory allocations for file list and data structures, potentially exhausting available memory and causing a denial of service.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-p827-vwcp-m964", "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0", "https://www.vulncheck.com/advisories/rsync-denial-of-service-via-max-alloc-0-logic-error"], "fixes": ["3.5.0+ds1-0+deb13u1"], "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}]}], "total": 69, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 4, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "rsync", "path": "vulns/debian-13/rsync", "ecosystem": "Debian:13"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": [], "stats": {"recent": 0, "kev": 0}, "lastmod": "2026-08-14T20:18:00.445Z", "early_advisories": [], "license": "Puedes utilizar libremente la selección de PatchFirst y nuestras aportaciones (prioridades, alertas tempranas, textos, resúmenes y agregados) para tus propios fines, incluido el uso interno de tu empresa. La reventa, la distribución comercial y la creación masiva de réplicas de esta selección o de estas aportaciones requieren un acuerdo escrito con el operador. Siempre que uses o publiques la selección o nuestras aportaciones, cita a PatchFirst (https://patchfirst.dev/vulns/) con este enlace a la página del flujo de tu región. Los registros originales de fuentes abiertas siguen sujetos a sus respectivas licencias y condiciones. Estas condiciones no limitan tus derechos sobre los datos originales, que puedes obtener directamente de esas fuentes.", "terms_url": "https://patchfirst.dev/es/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "PatchFirst selecciona, normaliza y combina los registros; se pueden añadir resúmenes y traducciones. Las noticias incluyen un enlace a la fuente original en cada entrada.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. Unless required by applicable law or agreed to in writing, you provide such materials on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. CVE Usage : MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. DISCLAIMERS ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."}, {"id": "osv", "name": "OSV", "url": "https://osv.dev/", "terms_url": "https://google.github.io/osv.dev/data/", "terms": "Las licencias de las bases originales varían; consulta el catálogo de fuentes."}, {"id": "kev", "name": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "license": "CC0-1.0", "terms_url": "https://github.com/cisagov/kev-data/blob/develop/LICENSE"}, {"id": "epss", "name": "FIRST EPSS", "url": "https://www.first.org/epss/", "terms_url": "https://www.first.org/epss/faq", "terms": "Puntuaciones públicas gratuitas; se solicita atribución (FIRST EPSS, puntuaciones generadas por Empirical Security)."}, {"id": "github-advisory", "name": "GitHub Advisory Database", "url": "https://github.com/advisories", "license": "CC-BY-4.0", "terms_url": "https://github.com/github/advisory-database/blob/main/LICENSE.md"}, {"id": "exploitdb", "name": "Exploit-DB", "url": "https://www.exploit-db.com/", "license": "GPL-2.0", "terms_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/LICENSE.md"}, {"id": "metasploit", "name": "Metasploit", "url": "https://github.com/rapid7/metasploit-framework", "license": "BSD-3-Clause", "terms_url": "https://github.com/rapid7/metasploit-framework/blob/master/LICENSE", "notice": "Copyright (c) 2006-2026, Rapid7, Inc.\nLicense: BSD-3-clause\n Redistribution and use in source and binary forms, with or without modification,\n are permitted provided that the following conditions are met:\n .\n * Redistributions of source code must retain the above copyright notice,\n this list of conditions and the following disclaimer.\n .\n * Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n .\n * Neither the name of Rapid7, Inc. nor the names of its contributors\n may be used to endorse or promote products derived from this software\n without specific prior written permission.\n .\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR\n ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\n ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\n SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."}, {"id": "nuclei", "name": "Nuclei Templates", "url": "https://github.com/projectdiscovery/nuclei-templates", "license": "MIT", "terms_url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/LICENSE.md", "notice": "MIT License\n\nCopyright (c) 2025 ProjectDiscovery, Inc.\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all\ncopies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE."}, {"id": "linux-kernel", "name": "Linux kernel releases", "url": "https://www.kernel.org/", "license": "CC-BY-SA-4.0", "terms_url": "https://www.kernel.org/legal.html", "notice": "Copyright (C) 1997-2014 by The Linux Kernel Organization, Inc."}]}