CVE-2018-14404

Published: 19 July 2018

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.

Priority

CVSS 3 base score: 7.5

Status

Package	Release	Status
libxml2 Launchpad, Ubuntu, Debian	Upstream	Needs triage



	Ubuntu 18.04 LTS (Bionic Beaver)	Released (2.9.4+dfsg1-6.1ubuntu1.2)
	Ubuntu 16.04 ESM (Xenial Xerus)	Released (2.9.3+dfsg1-1ubuntu0.6)
	Ubuntu 14.04 ESM (Trusty Tahr)	Released (2.9.1+dfsg1-3ubuntu4.13)
	Patches: Other: https://gitlab.gnome.org/GNOME/libxml2/commit/a436374994c47b12d5de1b8b1d191a098fa23594

References

Bugs

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