Integer Overflow or Wraparound Affecting expat package, versions <0:2.2.5-4.el8_5.3


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
4.13% (89th percentile)

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  • Snyk IDSNYK-CENTOS8-EXPAT-2360475
  • published25 Jan 2022
  • disclosed15 Jan 2022

Introduced: 15 Jan 2022

CVE-2021-46143  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Centos:8 expat to version 0:2.2.5-4.el8_5.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.

CVSS Base Scores

version 3.1