What’s Vulnerable › Vulnerabilities

CVE-2019-11023

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-04-08 · updated 2026-06-17
• Weakness: CWE-476

Description

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.

Affected products

• Graphviz: 2.39.20160612.1140

References

• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00054.html
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00065.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00056.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00065.html
• https://gitlab.com/graphviz/graphviz/issues/1517
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CLEAHLDJVMAEGA3YMC7KPKJ7ZPXNMJID/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FI3D5TQE3IMCSF5OUTXQL4GVKFCIY5JG/
• https://research.loginsoft.com/bugs/null-pointer-dereference-in-function-agroot/
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00054.html
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00065.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00056.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00065.html

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