Out-of-bounds Write Affecting python3-libxml2 package, versions <2.9.14-150400.5.44.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
1.37% (71st percentile)

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  • Snyk IDSNYK-SLES154-PYTHON3LIBXML2-10774196
  • published18 Jul 2025
  • disclosed17 Jul 2025

Introduced: 17 Jul 2025

CVE-2025-6021  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 python3-libxml2 to version 2.9.14-150400.5.44.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-libxml2 package and not the python3-libxml2 package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.

References

CVSS Base Scores

version 3.1