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Security Advisories

CGA-4j33-245q-3774

Package

k3s-static

Component

github.com/containerd/containerd/v2

Latest update

Fixed

Fixed version

1.37.0.1-r1

Aliases

Severity

Unknown
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References

  • https://nvd.nist.gov/vuln/detail/CVE-2026-53495
  • https://github.com/advisories/GHSA-7jxh-36q5-gcqv
  • https://pkg.go.dev/vuln/GO-2026-6444

Updates

Status

Fixed

Fixed version

1.37.0.1-r1

Status

Pending upstream fix

Impact

CVE-2026-53495 (GHSA-7jxh-36q5-gcqv) is a goroutine leak in containerd's CRI ExecSync handling that can exhaust memory when exec probes or lifecycle hooks spawn background children. Upstream containerd fixed this in 1.7.35, 2.0.12, 2.2.8, and 2.3.5, but the embedded containerd build vendors a downstream fork that has not yet published a tagged release incorporating the fix; its most recent tagged release remains on the prior patch line.

Status

Under investigation

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