CVE-2026-33811 Affecting containerd-stress-debuginfo package, versions <0:2.2.3-1.amzn2023.0.2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

Social Trends
EPSS
0.81% (53rd percentile)

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  • Snyk IDSNYK-AMZN2023-CONTAINERDSTRESSDEBUGINFO-16885787
  • published27 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-33811  (opens in a new tab)
CWE-1341  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 containerd-stress-debuginfo to version 0:2.2.3-1.amzn2023.0.2 or higher.
This issue was patched in ALAS2023-2026-1737.

NVD Description

Note: Versions mentioned in the description apply only to the upstream containerd-stress-debuginfo package and not the containerd-stress-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.

CVSS Base Scores

version 3.1