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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| nokogiri(RubyGems) | 0 | 1.8.5 | N/A |
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