CVE-2018-14404: NULL Pointer Dereference

July 19, 2018 (updated September 10, 2020)

A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 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.

References

nvd.nist.gov/vuln/detail/CVE-2018-14404

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