{"id":"CVE-2025-64329","aliases":["GHSA-m6hq-p25p-ffr2","GO-2025-4108"],"url":"https://o3.security/vulnerability/CVE-2025-64329","summary":"containerd CRI server: Host memory exhaustion through Attach goroutine leak","details":"### Impact\n\nA bug was found in containerd's CRI Attach implementation where a user can exhaust memory on the host due to goroutine leaks. \n\nRepetitive calls of CRI Attach (e.g., [`kubectl attach`](https://kubernetes.io/docs/reference/kubectl/generated/kubectl_attach/)) could increase the memory usage of containerd.\n\n### Patches\n\nThis bug has been fixed in the following containerd versions:\n\n* 2.2.0\n* 2.1.5\n* 2.0.7\n* 1.7.29\n\nUsers should update to these versions to resolve the issue.\n\n### Workarounds\n\nSet up an admission controller to control accesses to `pods/attach` resources.\ne.g., [Validating Admission Policy](https://kubernetes.io/docs/reference/access-authn-authz/validating-admission-policy/).\n\n### Credits\n\nThe containerd project would like to thank @Wheat2018 for responsibly disclosing this issue in accordance with the [containerd security policy](https://github.com/containerd/project/blob/main/SECURITY.md).\n\n### References\n\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-64329\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Open an issue in [containerd](https://github.com/containerd/containerd/issues/new/choose)\n* Email us at [security@containerd.io](mailto:security@containerd.io)\n\nTo report a security issue in containerd:\n\n* [Report a new vulnerability](https://github.com/containerd/containerd/security/advisories/new)","published":"2025-11-07T04:15:09.381Z","modified":"2026-10-28T02:30:56.141155574Z","cvss":null,"epss":{"score":0.0016,"percentile":0.05534,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/containerd/containerd","fixedVersion":"1.7.29"},{"ecosystem":"Go","name":"github.com/containerd/containerd/v2","fixedVersion":"2.0.7"},{"ecosystem":"Go","name":"github.com/containerd/containerd/v2","fixedVersion":"2.1.5"},{"ecosystem":"Go","name":"github.com/containerd/containerd/v2","fixedVersion":"2.2.0"}],"fix":{"url":"https://github.com/containerd/containerd/commit/083b53cd6f19b5de7717b0ce92c11bdf95e612df","label":"containerd/containerd@083b53c"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64329.json"},{"type":"ADVISORY","url":"https://github.com/containerd/containerd/security/advisories/GHSA-m6hq-p25p-ffr2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64329"},{"type":"FIX","url":"https://github.com/containerd/containerd/commit/083b53cd6f19b5de7717b0ce92c11bdf95e612df"},{"type":"PACKAGE","url":"https://github.com/containerd/containerd"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:56.141155574Z"}}