{"kind": "product", "path": "vulns/ubuntu-25.10/runc-stable", "name": "runc-stable", "product": "runc-stable", "ecosystem": "Ubuntu:25.10", "items": [{"id": "CVE-2026-41579", "noindex": false, "published": "2026-07-01T00:02:08.639Z", "modified": "2026-07-01T13:35:41.354Z", "cvss": 3.3, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "severity": "low", "epss": 0.00186, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-41579", "title": "runc: Malicious image with /dev symlink can trigger limited host filesystem integrity violations", "description": "runc is a CLI tool for spawning and running containers according to the OCI specification. In versions prior to 1.3.6, 1.4.0-rc.1, 1.4.0-rc.12, 1.5.0-rc.1, and 1.5.0-rc.1, when setting up the container rootfs, setupPtmx and setupDevSymlinks call os.Remove and os.Symlink with a filepath.Join string which allow an image with /dev as a symlink to trick runc into deleting files called ptmx on the host or creating a hardcoded set of symlinks with specific names and targets in an arbitrary pre-existing host directory. This issue is not exploitable under Docker, because Docker creates a top-level read-only layer that masks any malicious /dev symlink", "references": ["https://github.com/opencontainers/runc/security/advisories/GHSA-xjvp-4fhw-gc47", "https://github.com/opencontainers/runc/commit/864db8042dbb", "https://nvd.nist.gov/vuln/detail/CVE-2026-41579"], "fixes": [], "products": [{"name": "runc-stable", "path": "vulns/ubuntu-25.10/runc-stable", "ecosystem": "Ubuntu:25.10"}]}, {"id": "USN-7851-2", "noindex": true, "published": "2025-11-24T11:21:36Z", "modified": "2026-02-10T04:50:20Z", "cvss": null, "cvss_vector": "", "severity": "unknown", "epss": null, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/usn-7851-2", "title": "runc-app, runc-stable regression", "description": "USN-7851-1 fixed vulnerabilities in runC. The introduction of a new\nupstream release has caused regressions in runc-app and runc-stable.\nThis update fixes the problem.\n\nOriginal advisory details:\n\n Lei Wang and Li Fubang discovered that runC incorrectly handled masked\n paths. An attacker could possibly replace a container's /dev/null\n with a symlink to some other procfs file and possibly escape a container.\n (CVE-2025-31133)\n\n Lei Wang and Li Fubang discovered that runC incorrectly handled the\n /dev/console bind-mounts. An attacker could potentially exploit this issue\n to build-mount a symlink and escape a container. (CVE-2025-52565)\n\n Li Fub", "references": ["https://ubuntu.com/security/notices/USN-7851-2", "https://launchpad.net/bugs/2130744", "https://osv.dev/vulnerability/USN-7851-2"], "fixes": ["1.3.3-0ubuntu1~25.10.3"], "products": [{"name": "runc-stable", "path": "vulns/ubuntu-25.10/runc-stable", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2025-52881", "noindex": false, "published": "2025-11-06T20:23:36.237Z", "modified": "2025-11-06T21:07:09.382Z", "cvss": 7.3, "cvss_vector": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "severity": "high", "epss": 0.00801, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-52881", "title": "runc: LSM labels can be bypassed with malicious config using dummy procfs files", "description": "runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7, 1.3.2 and 1.4.0-rc.2, an attacker can trick runc into misdirecting writes to /proc to other procfs files through the use of a racing container with shared mounts (we have also verified this attack is possible to exploit using a standard Dockerfile with docker buildx build as that also permits triggering parallel execution of containers with custom shared mounts configured). This redirect could be through symbolic links in a tmpfs or theoretically other methods such as regular bind-mounts. While similar, the mitigation applied for the ", "references": ["https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm", "https://github.com/opencontainers/runc/security/advisories/GHSA-qw9x-cqr3-wc7r", "https://github.com/opencontainers/runc/security/advisories/GHSA-9493-h29p-rfm2"], "fixes": ["1.3.3-0ubuntu1~25.10.2"], "products": [{"name": "runc-stable", "path": "vulns/ubuntu-25.10/runc-stable", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2025-52565", "noindex": false, "published": "2025-11-06T20:02:58.513Z", "modified": "2025-11-06T21:32:19.129Z", "cvss": 8.4, "cvss_vector": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H", "severity": "high", "epss": 0.00811, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-52565", "title": "container escape due to /dev/console mount and related races", "description": "runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting `/dev/pts/$n` to `/dev/console` inside the container, an attacker can trick runc into bind-mounting paths which would normally be made read-only or be masked onto a path that the attacker can write to. This attack is very similar in concept and application to CVE-2025-31133, except that it attacks a similar vulnerability in a different target (namely, the bind-mount of `/dev/pts/$n` to `/dev/console` as configured ", "references": ["https://github.com/opencontainers/runc/security/advisories/GHSA-qw9x-cqr3-wc7r", "https://github.com/opencontainers/runc/commit/01de9d65dc72f67b256ef03f9bfb795a2bf143b4", "https://github.com/opencontainers/runc/commit/398955bccb7f20565c224a3064d331c19e422398"], "fixes": ["1.3.3-0ubuntu1~25.10.2"], "products": [{"name": "runc-stable", "path": "vulns/ubuntu-25.10/runc-stable", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2025-31133", "noindex": false, "published": "2025-11-06T18:47:47.335Z", "modified": "2025-11-06T19:22:22.047Z", "cvss": 7.3, "cvss_vector": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "severity": "high", "epss": 0.01245, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-31133", "title": "runc container escape via \"masked path\" abuse due to mount race conditions", "description": "runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7 and below, 1.3.0-rc.1 through 1.3.1, 1.4.0-rc.1 and 1.4.0-rc.2 files, runc would not perform sufficient verification that the source of the bind-mount (i.e., the container's /dev/null) was actually a real /dev/null inode when using the container's /dev/null to mask. This exposes two methods of attack:  an arbitrary mount gadget, leading to host information disclosure, host denial of service, container escape, or a bypassing of maskedPaths. This issue is fixed in versions 1.2.8, 1.3.3 and 1.4.0-rc.3.", "references": ["https://github.com/opencontainers/runc/security/advisories/GHSA-9493-h29p-rfm2", "https://github.com/opencontainers/runc/commit/1a30a8f3d921acbbb6a4bb7e99da2c05f8d48522", "https://github.com/opencontainers/runc/commit/5d7b2424072449872d1cd0c937f2ca25f418eb66"], "fixes": ["1.3.3-0ubuntu1~25.10.2"], "products": [{"name": "runc-stable", "path": "vulns/ubuntu-25.10/runc-stable", "ecosystem": "Ubuntu:25.10"}]}], "total": 5, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "runc-stable", "path": "vulns/ubuntu-25.10/runc-stable", "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": "2026-07-01T13:35:41.354Z", "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. 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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. 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