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Improper Input Validation Affecting libxml2-python27 package, versions <0:2.9.1-6.6.42.amzn1

0.0
medium

Snyk CVSS

    Attack Complexity High
    Availability High

    Threat Intelligence

    EPSS 0.06% (25th percentile)
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NVD
6.5 medium
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SUSE
5.9 medium
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Red Hat
5.9 medium

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  • Snyk ID SNYK-AMZN201803-LIBXML2PYTHON27-5496724
  • published 4 May 2023
  • disclosed 24 Apr 2023
Report a new vulnerability Found a mistake?

Introduced: 24 Apr 2023

CVE-2023-28484 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 libxml2-python27 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-python27 package and not the libxml2-python27 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.