Double Free Affecting python3-libxml2 package, versions <0:2.9.7-15.el8_7.1


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.09% (41st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Double Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CENTOS8-PYTHON3LIBXML2-3057672
  • published20 Oct 2022
  • disclosed14 Oct 2022

Introduced: 14 Oct 2022

CVE-2022-40304  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Centos:8 python3-libxml2 to version 0:2.9.7-15.el8_7.1 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 Centos. See How to fix? for Centos:8 relevant fixed versions and status.

An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.

CVSS Scores

version 3.1