Double Free Affecting cadence-fips package, versions <1.4.0-r6


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-CADENCEFIPS-16658334
  • 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 cadence-fips to version 1.4.0-r6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cadence-fips package and not the cadence-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