VULNERABILITY INTELLIGENCE

CVE-2018-14404

CVSS score6.5 MEDIUM
EPSS probability3.65%
CISA KEVNot currently listed
Published2018-07-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references