GHSA-6qvp-r6r3-9p7hHighCVSS 7.5

Nokogiri NULL Pointer Dereference

Published
January 17, 2019
Last Modified
December 4, 2025

🔗 CVE IDs covered (1)

📋 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.

🎯 Affected products1

  • rubygems/nokogiri:< 1.8.5

🔗 References (13)