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Use After Free Affecting libxml2 package, versions <0:2.9.1-6.6.42.amzn1

medium

Snyk CVSS

    Attack Complexity High
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.41% (74th percentile)
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NVD
7.5 high
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SUSE
7 high
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Red Hat
8.1 high

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  • Snyk ID SNYK-AMZN201803-LIBXML2-5496718
  • published 4 May 2023
  • disclosed 26 Feb 2022
Report a new vulnerability Found a mistake?

Introduced: 26 Feb 2022

CVE-2022-23308 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 libxml2 to version 0:2.9.1-6.6.42.amzn1 or higher.
This issue was patched in ALAS-2023-1743.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.

References