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NULL Pointer Dereference Affecting libxml2-devel package, versions <2.9.7-3.3.1

Severity

 Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
3.75% (90th percentile)

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  • Snyk IDSNYK-SLES150-LIBXML2DEVEL-2760047
  • published14 Apr 2022
  • disclosed9 Oct 2018
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Introduced: 9 Oct 2018

CVE-2018-14404  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 libxml2-devel to version 2.9.7-3.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2-devel package and not the libxml2-devel package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.