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Integer Overflow or Wraparound Affecting expat package, versions <0:2.1.0-12.26.amzn1

high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.42% (87th percentile)
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NVD
9.8 critical
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SUSE
8.8 high
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Red Hat
9.8 critical

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  • Snyk ID SNYK-AMZN201803-EXPAT-2419957
  • published 9 Mar 2022
  • disclosed 18 Feb 2022
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Introduced: 18 Feb 2022

CVE-2022-25315 Open this link in a new tab
CWE-190 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 expat to version 0:2.1.0-12.26.amzn1 or higher.
This issue was patched in ALAS-2022-1570.

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.

In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.

References