CVE-2026-32288 Affecting buildah package, versions <1.43.1-r1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-BUILDAH-16013375
  • published13 Apr 2026
  • disclosed8 Apr 2026

Introduced: 8 Apr 2026

NewCVE-2026-32288  (opens in a new tab)

How to fix?

Upgrade Chainguard buildah to version 1.43.1-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream buildah package and not the buildah package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format.

CVSS Base Scores

version 3.1