Buffer Access with Incorrect Length Value Affecting libxml2-python package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.16% (5th percentile)

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  • Snyk IDSNYK-CENTOS7-LIBXML2PYTHON-19765046
  • published27 Sept 2026
  • disclosed5 Sept 2026

Introduced: 5 Sep 2026

CVE-2026-86142  (opens in a new tab)
CWE-805  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 libxml2-python.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2-python package and not the libxml2-python package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.

CVSS Base Scores

version 3.1