Double Free Affecting rke2-cloud-provider-fips package, versions <1.34.2-r14


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.81% (56th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-RKE2CLOUDPROVIDERFIPS-16661804
  • published14 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-33811  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Chainguard rke2-cloud-provider-fips to version 1.34.2-r14 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rke2-cloud-provider-fips package and not the rke2-cloud-provider-fips package as distributed by Chainguard. See How to fix? for Chainguard 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.

References

CVSS Base Scores

version 3.1