Double Free Affecting migrate package, versions <4.19.1-r13


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-WOLFILATEST-MIGRATE-16620526
  • published10 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

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

How to fix?

Upgrade Wolfi migrate to version 4.19.1-r13 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream migrate package and not the migrate 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