<p>Upgrade <code>Centos:8</code> <code>libxml2</code> to version 0:2.9.7-9.el8_4.2 or higher.</p>

Use After Free Affecting libxml2 package, versions <0:2.9.7-9.el8_4.2

Snyk CVSS

Attack Complexity Low

Availability High

Threat Intelligence

EPSS 0.41% (74^th percentile)

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Snyk ID SNYK-CENTOS8-LIBXML2-2112006
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?

Upgrade Centos:8 libxml2 to version 0:2.9.7-9.el8_4.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Centos. See How to fix? for Centos:8 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.