Integer Overflow or Wraparound Affecting expat-static package, versions <0:2.1.0-12.0.1.el7


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
4.22% (91st percentile)

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  • Snyk IDSNYK-ORACLE7-EXPATSTATIC-2605622
  • published10 Apr 2022
  • disclosed6 Jan 2022

Introduced: 6 Jan 2022

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

How to fix?

Upgrade Oracle:7 expat-static to version 0:2.1.0-12.0.1.el7 or higher.
This issue was patched in ELSA-2022-9227.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat-static package and not the expat-static package as distributed by Oracle. See How to fix? for Oracle:7 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