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

low

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 3.76% (92nd percentile)
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NVD
8.8 high
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SUSE
3.3 low
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Red Hat
3.3 low

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  • Snyk ID SNYK-UBUNTU1404-GRAPHVIZ-1625938
  • published 16 Feb 2022
  • disclosed 8 Apr 2019
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Introduced: 8 Apr 2019

CVE-2019-11023 Open this link in a new tab
CWE-476 Open this link 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.

References