NULL Pointer Dereference Affecting libxml2 package, versions <2.9.4+dfsg1-2.2+deb9u6


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.59% (79th percentile)

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  • Snyk IDSNYK-DEBIAN9-LIBXML2-429728
  • published11 Apr 2017
  • disclosed11 Apr 2017

Introduced: 11 Apr 2017

CVE-2017-5969  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Debian:9 libxml2 to version 2.9.4+dfsg1-2.2+deb9u6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

libxml2 2.9.4, when used in recover mode, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted XML document. NOTE: The maintainer states "I would disagree of a CVE with the Recover parsing option which should only be used for manual recovery at least for XML parser.