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Use After Free Affecting libxml2-python package, versions *

medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.41% (74th percentile)
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NVD
8.8 high
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SUSE
5.9 medium
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Red Hat
8.6 high

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  • Snyk ID SNYK-CENTOS7-LIBXML2PYTHON-2023870
  • published 26 Jul 2021
  • disclosed 22 Apr 2021
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Introduced: 22 Apr 2021

CVE-2021-3518 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

There is no fixed version for Centos:7 libxml2-python.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2-python package and not the libxml2-python package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.

References