NULL Pointer Dereference Affecting graphviz package, versions <2.36.0-0ubuntu3.2+esm1


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.94% (83rd percentile)

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  • Snyk IDSNYK-UBUNTU1404-GRAPHVIZ-1625938
  • published16 Feb 2022
  • disclosed8 Apr 2019

Introduced: 8 Apr 2019

CVE-2019-11023  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 graphviz to version 2.36.0-0ubuntu3.2+esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream graphviz package and not the graphviz package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

The agroot() function in cgraph\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a NULL pointer dereference, as demonstrated by graphml2gv.