CVE-2019-11023
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.89% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.6% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-04-08 22:20Z7 YR AGO
- Last updated
- 2024-08-04 22:40Z2 YR AGO
- Reserved
- 2019-04-08
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- a5860fb5e10d2686a750be1454e25c939710d3811db33c6f5c39c2b2dabe8b3a
05 Affected products
06 References
- gitlab.comhttps://gitlab.com/graphviz/graphviz/issues/1517
- research.loginsoft.comhttps://research.loginsoft.com/bugs/null-pointer-dereference-in-function-agroot/
- lists.fedoraproject.orgFEDORA-2019-521e6c567chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FI3D5TQE3IMCSF5OUTXQL4GVKFCIY5JG/
- lists.fedoraproject.orgFEDORA-2019-feeb1a2543https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CLEAHLDJVMAEGA3YMC7KPKJ7ZPXNMJID/
- lists.opensuse.orgopenSUSE-SU-2019:1434http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00054.html
- lists.opensuse.orgopenSUSE-SU-2019:1459http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00065.html
- lists.opensuse.orgopenSUSE-SU-2020:0876http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00056.html
- lists.opensuse.orgopenSUSE-SU-2020:0906http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00065.html
07 Fixed in
Debian 12
- graphviz No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- graphviz No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- graphviz No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- graphviz Fixed in 2.36.0-0ubuntu3.2+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- graphviz Fixed in 2.38.0-12ubuntu2.1+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- graphviz Fixed in 2.40.1-2ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.