Double Free Affecting vitess-22 package, versions <22.0.4-r13


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.5% (39th percentile)

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  • Snyk IDSNYK-WOLFILATEST-VITESS22-17320535
  • published12 Jun 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 Wolfi vitess-22 to version 22.0.4-r13 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream vitess-22 package and not the vitess-22 package as distributed by Wolfi. See How to fix? for Wolfi 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