Out-of-bounds Write Affecting libbz2-1 package, versions <1.0.8-150400.3.4.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-SLES157-LIBBZ21-19779731
  • published14 Sept 2026
  • disclosed7 Sept 2026

Introduced: 7 Sep 2026

CVE-2026-42250  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 libbz2-1 to version 1.0.8-150400.3.4.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libbz2-1 package and not the libbz2-1 package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

bzip2 contains an off‑by‑one error in the bzip2recover utility. When processing a specially crafted file, the application performs an out‑of‑bounds write to a global buffer, resulting in memory corruption and a crash (denial of service).

This issue was fixed in bzip2 patch 35d122a3df8b0cc4082a4d89fdc6ee99f375fe67

CVSS Base Scores

version 3.1