Improper Enforcement of Message Integrity During Transmission in a Communication Channel Affecting buildah package, versions <1.35.5-150500.3.62.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.2% (10th percentile)

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  • Snyk IDSNYK-SLES157-BUILDAH-17816537
  • published4 Jul 2026
  • disclosed2 Jul 2026

Introduced: 2 Jul 2026

NewCVE-2026-39827  (opens in a new tab)
CWE-924  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 buildah to version 1.35.5-150500.3.62.1 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 SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.

CVSS Base Scores

version 3.1