Out-of-Bounds Affecting buildah package, versions <2:1.43.1-2.0.1.el9_8


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.53% (42nd percentile)

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  • Snyk IDSNYK-ORACLE9-BUILDAH-17576593
  • published26 Jun 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

CVE-2026-39830  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Oracle:9 buildah to version 2:1.43.1-2.0.1.el9_8 or higher.
This issue was patched in ELSA-2026-29455.

NVD Description

Note: Versions mentioned in the description apply only to the upstream buildah package and not the buildah package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.

CVSS Base Scores

version 3.1