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Integer Overflow or Wraparound Affecting expat package, versions <0:2.1.0-14.31.amzn1

medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.74% (81st percentile)
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NVD
8.8 high
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SUSE
7.5 high
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Red Hat
8.8 high

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  • Snyk ID SNYK-AMZN201803-EXPAT-2945315
  • published 8 Jul 2022
  • disclosed 10 Jan 2022
Report a new vulnerability Found a mistake?

Introduced: 10 Jan 2022

CVE-2022-22826 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 expat to version 0:2.1.0-14.31.amzn1 or higher.
This issue was patched in ALAS-2022-1603.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.