Double Free Affecting python3-libxml2-debuginfo package, versions <0:2.10.3-2.amzn2023.0.1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
6.78% (94th 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 IDSNYK-AMZN2023-PYTHON3LIBXML2DEBUGINFO-3348681
  • published7 Mar 2023
  • disclosed23 Nov 2022

Introduced: 23 Nov 2022

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

How to fix?

Upgrade Amazon-Linux:2023 python3-libxml2-debuginfo to version 0:2.10.3-2.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2023-096.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-libxml2-debuginfo package and not the python3-libxml2-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 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 Base Scores

version 3.1