CVE-2026-95838Medium· 4.6▾ Sunlitcontainerd is an open-source container runtime. Prior to 1.7.35, 2.0.12, 2.2.8, and 2.3.5, containerd's layer unpack handler repeatedly traverses directories for certain opaque whiteout configurations. A malicious image layer can trigger…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 25.3 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 13.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
— → 4.6
none → medium
Last analysed / modified upstream
0.2% → 0.2%
containerd is an open-source container runtime. Prior to 1.7.35, 2.0.12, 2.2.8, and 2.3.5, containerd's layer unpack handler repeatedly traverses directories for certain opaque whiteout configurations. A malicious image layer can trigger repeated directory traversals while opaque whiteouts are processed. Pulling or importing the image can consume CPU, delay container startup, and reduce image-pull concurrency for unrelated deployments. This issue is fixed in versions 1.7.35, 2.0.12, 2.2.8, and 2.3.5.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
github.com/containerd/containerd/v2 < 2.0.12github.com/containerd/containerd < 1.7.35github.com/containerd/containerd/v2 >= 2.2.0, < 2.2.8github.com/containerd/containerd/v2 >= 2.3.0, < 2.3.5Patched in:
github.com/containerd/containerd/v2 2.0.12github.com/containerd/containerd 1.7.35github.com/containerd/containerd/v2 2.2.8github.com/containerd/containerd/v2 2.3.5Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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