Use After Free Affecting libxml2-tools package, versions <2.9.7-3.34.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
1.99% (78th percentile)

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  • Snyk IDSNYK-SLES152-LIBXML2TOOLS-2679499
  • published14 Apr 2022
  • disclosed19 May 2021

Introduced: 19 May 2021

CVE-2021-3516  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 libxml2-tools to version 2.9.7-3.34.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2-tools package and not the libxml2-tools package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

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

CVSS Base Scores

version 3.1