{"id":"CVE-2026-53493","title":"containerd is an open-source container runtime","summary":"containerd is an open-source container runtime. Prior to versions 1.7.36, 2.0.13, 2.2.9, 2.3.6, and 2.4.1, a crafted OCI index graph can force very high CPU/memory usage during PullImage (before container start), causing long ContainerCr…","severity":"medium","cvss":6.9,"cvssVector":"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","cwe":["CWE-400","CWE-770","CWE-834"],"vendor":"containerd","product":"containerd","affected":["containerd >= 2.0.0, < 2.0.13","containerd < 1.7.36","containerd >= 2.1.0, < 2.2.9","containerd >= 2.3.0, < 2.3.6","containerd = 2.4.0"],"patched":["github.com/containerd/containerd/v2 2.0.13","github.com/containerd/containerd 1.7.36","github.com/containerd/containerd/v2 2.2.9","github.com/containerd/containerd/v2 2.3.6","github.com/containerd/containerd/v2 2.4.1"],"published":"2026-09-25","updated":"2026-09-28","sourceUpdated":"2026-09-28T15:17:17.900","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53493","references":[{"url":"https://github.com/containerd/containerd/security/advisories/GHSA-pg57-6jwg-q645","label":"security-advisories@github.com"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53493"},{"url":"https://github.com/containerd/containerd/commit/4f5f32636d47f051751065cf824a10da70c619fe"},{"url":"https://github.com/containerd/containerd/commit/94e83c14c8aac963e24e28105dab9c9af812a2a8"},{"url":"https://github.com/containerd/containerd/releases/tag/v1.7.36"},{"url":"https://github.com/containerd/containerd/releases/tag/v2.0.13"},{"url":"https://github.com/containerd/containerd/releases/tag/v2.2.9"},{"url":"https://github.com/containerd/containerd/releases/tag/v2.3.6"},{"url":"https://github.com/containerd/containerd/releases/tag/v2.4.1"},{"url":"https://github.com/advisories/GHSA-pg57-6jwg-q645"},{"url":"https://github.com/containerd/containerd"}],"tags":["nvd","cve.org","ghsa","go","osv"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-28T14:58:24.201213Z"},"cvssSource":"cna","epss":0.00356,"epssPercentile":0.29176,"aliases":["GHSA-pg57-6jwg-q645","GO-2026-6597"],"ecosystem":"go","ingestedAt":"2026-09-25T00:56:54.276Z","slug":"CVE-2026-53493","body":"## Overview\n\ncontainerd is an open-source container runtime. Prior to versions 1.7.36, 2.0.13, 2.2.9, 2.3.6, and 2.4.1, a crafted OCI index graph can force very high CPU/memory usage during PullImage (before container start), causing long ContainerCreating stalls and, at larger sizes, node/runtime instability. Versions 1.7.36, 2.0.13, 2.2.9, 2.3.6, and 2.4.1 fix the issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-53493)\n\nAffected packages:\n\n- `github.com/containerd/containerd/v2 >= 2.0.0, < 2.0.13`\n- `github.com/containerd/containerd <= 1.7.35`\n- `github.com/containerd/containerd/v2 >= 2.1.0, < 2.2.9`\n- `github.com/containerd/containerd/v2 >= 2.3.0, < 2.3.6`\n- `github.com/containerd/containerd/v2 = 2.4.0`\n\nPatched in:\n\n- `github.com/containerd/containerd/v2 2.0.13`\n- `github.com/containerd/containerd 1.7.36`\n- `github.com/containerd/containerd/v2 2.2.9`\n- `github.com/containerd/containerd/v2 2.3.6`\n- `github.com/containerd/containerd/v2 2.4.1`\n\nSource: https://github.com/advisories/GHSA-pg57-6jwg-q645","depth":"sunlit","depthScore":38,"depthScoreParts":{"impact":38,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}