{"kind": "product", "path": "vulns/ubuntu-25.10/rsync", "name": "rsync", "product": "rsync", "ecosystem": "Ubuntu:25.10", "items": [{"id": "CVE-2026-29518", "noindex": false, "published": "2026-05-20T12:48:07.656Z", "modified": "2026-09-01T12:04:58.665Z", "cvss": 7.3, "cvss_vector": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00152, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-29518", "title": "Rsync < 3.4.3 TOCTOU Race Condition Allows Symlink-Based Arbitrary File Write", "description": "Rsync versions before 3.4.3 contain a time-of-check to time-of-use (TOCTOU) race condition in daemon file handling that allows attackers to redirect file writes outside intended directories by replacing parent directory components with symbolic links. Attackers with write access to a module path can exploit this race condition to create or overwrite arbitrary files, potentially modifying sensitive system files and achieving privilege escalation when the daemon runs with elevated privileges. This vulnerability can only be triggered if the chroot setting is false.", "references": ["https://github.com/RsyncProject/rsync/pull/895/changes/8471fdd1561049ef5f58df44a1811a50bd9a531d", "https://github.com/RsyncProject/rsync/releases/tag/v3.4.3", "https://michael.stapelberg.ch/posts/2026-05-24-minimal-memory-safe-go-rsync-vulns/"], "fixes": ["3.4.1+ds1-5ubuntu1.2"], "products": [{"name": "rsync", "path": "vulns/ubuntu-25.10/rsync", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-43617", "noindex": false, "published": "2026-05-20T00:52:38.965Z", "modified": "2026-07-14T20:01:04.353Z", "cvss": 6.3, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00282, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-43617", "title": "Rsync < 3.4.3 Authorization Bypass via Hostname Resolution", "description": "Rsync version 3.4.2 and prior contain an authorization bypass vulnerability in the rsync daemon's hostname-based access control list enforcement when configured with chroot. Attackers can bypass hostname-based deny rules by controlling the PTR record for their source IP address, allowing connections from hostnames that administrators intended to deny when reverse DNS resolution fails and defaults to UNKNOWN.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-rjfm-3w2m-jf4f", "https://github.com/RsyncProject/rsync/releases/tag/v3.4.3", "https://www.vulncheck.com/advisories/rsync-authorization-bypass-via-hostname-resolution"], "fixes": ["3.4.1+ds1-5ubuntu1.2"], "products": [{"name": "rsync", "path": "vulns/ubuntu-25.10/rsync", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-43618", "noindex": false, "published": "2026-05-20T00:50:21.416Z", "modified": "2026-09-01T12:04:49.098Z", "cvss": 6.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.0078, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-43618", "title": "Rsync < 3.4.3 Integer Overflow Information Disclosure", "description": "Rsync version 3.4.2 and prior contain an integer overflow vulnerability in the compressed-token decoder where a 32-bit signed counter is not checked for overflow, allowing a malicious sender to trigger an overflow that causes the receiver process to read and return data from outside the intended buffer bounds. Attackers can exploit this vulnerability to disclose process memory contents including environment variables, passwords, heap and stack data, and library memory pointers, significantly reducing ASLR effectiveness and facilitating further exploitation.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-g37v-g3gj-pmwq", "https://github.com/RsyncProject/rsync/releases/tag/v3.4.3", "https://www.vulncheck.com/advisories/rsync-integer-overflow-information-disclosure"], "fixes": ["3.4.1+ds1-5ubuntu1.2"], "products": [{"name": "rsync", "path": "vulns/ubuntu-25.10/rsync", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-43619", "noindex": false, "published": "2026-05-20T00:49:14.709Z", "modified": "2026-07-14T20:01:06.821Z", "cvss": 7.2, "cvss_vector": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00136, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-43619", "title": "Rsync < 3.4.3 Symlink Race Condition via Path-Based Syscalls", "description": "Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported rsync module. Attackers with local filesystem access can exploit the timing window between path resolution and syscall execution by swapping symlinks to apply sender-supplied permissions, ownership, timestamps, or filenames to arbitrary files outside the intended module boundary on rsync daemons configured with 'use chroot = no'.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-4h9m-w5ff-j735", "https://github.com/RsyncProject/rsync/releases/tag/v3.4.3", "https://www.vulncheck.com/advisories/rsync-symlink-race-condition-via-path-based-syscalls"], "fixes": ["3.4.1+ds1-5ubuntu1.2"], "products": [{"name": "rsync", "path": "vulns/ubuntu-25.10/rsync", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-43620", "noindex": false, "published": "2026-05-20T00:47:57.086Z", "modified": "2026-07-14T20:01:07.518Z", "cvss": 6.9, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00428, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-43620", "title": "Rsync < 3.4.3 Out-of-Bounds Array Read via recv_files()", "description": "Rsync version 3.4.2 and prior contain a receiver-side out-of-bounds array read vulnerability in recv_files() in receiver.c that allows a malicious rsync server to crash the rsync client process. Attackers can exploit the vulnerability by setting CF_INC_RECURSE in compatibility flags and sending a specially crafted file list where the first sorted entry is not the leading dot directory, followed by a transfer record with ndx=0 and an iflag word without ITEM_TRANSFER, causing the receiver to read 8 bytes before the allocated pointer array and dereference an invalid pointer at an unmapped address, resulting in a deterministic SIGSEGV crash of th", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-28pw-r563-rxvm", "https://github.com/RsyncProject/rsync/releases/tag/v3.4.3", "https://www.vulncheck.com/advisories/rsync-out-of-bounds-array-read-via-recv-files"], "fixes": ["3.4.1+ds1-5ubuntu1.2"], "products": [{"name": "rsync", "path": "vulns/ubuntu-25.10/rsync", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-45232", "noindex": false, "published": "2026-05-20T00:45:28.540Z", "modified": "2026-07-14T21:32:51.080Z", "cvss": 2.1, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "severity": "low", "epss": 0.00337, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-45232", "title": "Rsync < 3.4.3 Off-by-One Stack Write via HTTP Proxy", "description": "Rsync versions before 3.4.3 contain an off-by-one out-of-bounds stack write vulnerability in the establish_proxy_connection() function in socket.c that allows network attackers to corrupt stack memory by sending a malformed HTTP proxy response. Attackers can exploit this by positioning themselves between the client and proxy or controlling the proxy server to send a response line of 1023 or more bytes without a newline terminator, causing a null byte to be written to an out-of-bounds stack address when the RSYNC_PROXY environment variable is set.", "references": ["https://github.com/RsyncProject/rsync/security/advisories/GHSA-8f85-j2cv-59m8", "https://github.com/RsyncProject/rsync/releases/tag/v3.4.3", "https://www.vulncheck.com/advisories/rsync-off-by-one-stack-write-via-http-proxy"], "fixes": ["3.4.1+ds1-5ubuntu1.2"], "products": [{"name": "rsync", "path": "vulns/ubuntu-25.10/rsync", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-41035", "noindex": false, "published": "2026-04-16T06:53:05.237Z", "modified": "2026-09-04T12:04:47.004Z", "cvss": 7.4, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L", "severity": "high", "epss": 0.00393, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-41035", "title": "CVE-2026-41035", "description": "In rsync 3.0.1 through 3.4.1, receive_xattr relies on an untrusted length value during a qsort call, leading to a receiver use-after-free. The victim must run rsync with -X (aka --xattrs). On Linux, many (but not all) common configurations are vulnerable. Non-Linux platforms are more widely vulnerable.", "references": ["https://www.openwall.com/lists/oss-security/2026/04/16/2", "https://github.com/RsyncProject/rsync/releases", "https://github.com/RsyncProject/rsync/issues/871"], "fixes": ["3.4.1+ds1-5ubuntu1.2"], "products": [{"name": "rsync", "path": "vulns/ubuntu-25.10/rsync", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2025-10158", "noindex": false, "published": "2025-11-18T14:24:19.210Z", "modified": "2025-11-19T16:48:56.591Z", "cvss": 4.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "severity": "medium", "epss": 0.00349, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-10158", "title": "Rsync: Out of bounds array access via negative index", "description": "A malicious client acting as the receiver of an rsync file transfer can trigger an out of bounds read of a heap based buffer, via a negative array index. The \n\nmalicious \n\nrsync client requires at least read access to the remote rsync module in order to trigger the issue.", "references": ["https://github.com/RsyncProject/rsync/commit/797e17fc4a6f15e3b1756538a9f812b63942686f", "https://attackerkb.com/assessments/fbacb2a6-d1cd-4011-bb3a-f06b1c8306b1", "https://nvd.nist.gov/vuln/detail/CVE-2025-10158"], "fixes": ["3.4.1+ds1-5ubuntu1.2"], "products": [{"name": "rsync", "path": "vulns/ubuntu-25.10/rsync", "ecosystem": "Ubuntu:25.10"}]}], "total": 8, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "rsync", "path": "vulns/ubuntu-25.10/rsync", "ecosystem": "Ubuntu:25.10"}], "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": "2026-09-04T12:04:47.004Z", "early_advisories": [], "license": "You may freely use the PatchFirst selection and our additions (priorities, early warnings, texts, summaries and aggregates) for your own purposes, including internal business use. Resale, commercial distribution and bulk mirroring of this selection or these additions require a written agreement with the operator. Whenever you use or publish the selection or our additions, credit PatchFirst (https://patchfirst.dev/vulns/) with this link to the regional feed page. Original records from open sources remain subject to their respective licenses and terms. These conditions do not restrict your rights to the original data, which you can obtain directly from those sources.", "terms_url": "https://patchfirst.dev/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "Records are selected, normalized and combined by PatchFirst; summaries and translations may be added. News is credited with a link to the original source in each entry.", "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": "Upstream licenses vary; see the source catalog."}, {"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": "Free public scores; attribution requested (FIRST EPSS, scores generated by 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."}]}