{"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"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T01:16:48.227","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"}],"tags":["nvd","cve.org"],"cvssSource":"cna","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.","depth":"sunlit","depthScore":38,"depthScoreParts":{"impact":38,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}