Out-of-bounds Write Affecting libxml2-2-32bit package, versions <2.9.7-150000.3.82.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
2.12% (85th percentile)

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  • Snyk IDSNYK-SLES153-LIBXML2232BIT-10722755
  • published12 Jul 2025
  • disclosed10 Jul 2025

Introduced: 10 Jul 2025

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

How to fix?

Upgrade SLES:15.3 libxml2-2-32bit to version 2.9.7-150000.3.82.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2-2-32bit package and not the libxml2-2-32bit package as distributed by SLES. See How to fix? for SLES:15.3 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