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Integer Overflow or Wraparound Affecting expat package, versions <2.4.1-2ubuntu0.1

medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.64% (80th percentile)
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NVD
7.5 high
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SUSE
8.1 high
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Red Hat
6.5 medium

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  • Snyk ID SNYK-UBUNTU2110-EXPAT-2387598
  • published 29 Jan 2022
  • disclosed 26 Jan 2022
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Introduced: 26 Jan 2022

CVE-2022-23990 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Ubuntu:21.10 expat to version 2.4.1-2ubuntu0.1 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 Ubuntu. See How to fix? for Ubuntu:21.10 relevant fixed versions and status.

Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.

References