NULL Pointer Dereference Vulnerability in libxml2's xpath.c:xmlXPathCompOpEval() Function

CVE-2018-14404 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

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.

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