vulnerability

Red Hat: CVE-2018-14404: CVE-2018-14404 libxml2: NULL pointer dereference in xmlXPathCompOpEval() function in xpath.c (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Jul 19, 2018
Added
Apr 1, 2020
Modified
Aug 11, 2025

Description

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.

Solutions

no-fix-redhat-rpm-packageredhat-upgrade-libxml2redhat-upgrade-libxml2-debuginforedhat-upgrade-libxml2-debugsourceredhat-upgrade-libxml2-develredhat-upgrade-libxml2-pythonredhat-upgrade-libxml2-staticredhat-upgrade-python3-libxml2redhat-upgrade-python3-libxml2-debuginfo
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