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NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package libxml2  (opens in a new tab)

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EPSS
3.75% (90th percentile)

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  • Snyk IDSNYK-UBUNTU1204-LIBXML2-429570
  • published22 Jul 2018
  • disclosed19 Jul 2018
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Introduced: 19 Jul 2018

CVE-2018-14404  (opens in a new tab)
CWE-476  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:12.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Ubuntu.

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.