Use After Free Affecting python3-libxml2-python package, versions <2.9.7-3.40.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating

    Threat Intelligence

    EPSS
    0.41% (75th percentile)

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  • Snyk ID SNYK-SLES151-PYTHON3LIBXML2PYTHON-2639747
  • published 14 Apr 2022
  • disclosed 10 Mar 2022

How to fix?

Upgrade SLES:15.1 python3-libxml2-python to version 2.9.7-3.40.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-libxml2-python package and not the python3-libxml2-python package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

SUSE

7 high
Expand this section

Red Hat

8.1 high