Home/CVE/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 thro
CVE

CVE-2025-64329

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 thro

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.

MEDIUM · CVSS 5.5 EPSS 7e-05
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime
▤

Affected Products & Versions

4
linuxfoundation containerd< 1.7.29
linuxfoundation containerd>= 2.0.0 and < 2.0.7
linuxfoundation containerd>= 2.1.0 and < 2.1.5
linuxfoundation containerdall versions
▤

Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/containerd/containerd MODERATE fixed in 1.7.29
Go github.com/containerd/containerd/v2 MODERATE fixed in 2.0.7
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Nov 2025 · 05:16 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

8
usnUSN-7983-1
rhsaRHSA-2026:2900Important
suse-csafSUSE-SU-2025:4288-1
suse-csafSUSE-SU-2025:21042-1
suse-csafSUSE-SU-2025:21057-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/containerd/containerd/commit/083b53cd6f19b5de7717b0ce92c11bdf95e612dfPatch
https://github.com/containerd/containerd/security/advisories/GHSA-m6hq-p25p-ffr2PatchVendor Advisory
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