Medium 6.9Published Nov 6, 2025

CVE-2025-64329containerd CRI server: Host memory exhaustion through Attach goroutine leak

Updated under an hour ago (Oct 27, 2026, 3:10 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for containerd

Exploited in the last 30 days

containerd is an open-source container runtime. Versions 1.7.28 and below, 2.0.0-beta.0 through 2.0.6, 2.1.0-beta.0 through 2.1.4, and 2.2.0-beta.0 through 2.2.0-rc.1 contain a bug in the CRI Attach implementation where a user can exhaust memory on the host due to goroutine leaks. This issue is fixed in versions 1.7.29, 2.0.7, 2.1.5 and 2.2.0. To workaround this vulnerability, users can set up an admission controller to control accesses to pods/attach resources.

CVSS: 6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-401
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Nov 7, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

containerd containerd containerd:containerd (from the name)	before 1.7.29; before 2.0.7; from 2.1.0-beta.0, < 2.1.5; from 2.2.0-beta.0, < 2.2.0	CNA record
linuxfoundation containerd linuxfoundation:containerd	before 1.7.29; from 2.0.0 before 2.0.7; from 2.1.0 before 2.1.5; 2.2.0; 2.2.0; 2.2.0; 2.2.0; 2.2.0	NVD

References

References

https://github.com/containerd/containerd/security/advisories/GHSA-m6hq-p25p-ffr2	x-refsource-confirm, patch, vendor-advisory
https://github.com/containerd/containerd/commit/083b53cd6f19b5de7717b0ce92c11bdf95e612df	x-refsource-misc, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.