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Fencer Intel
medium 5.5

CVE-2018-10196 json

NULL pointer dereference vulnerability in the rebuild_vlists function in lib/dotgen/conc.c in the dotgen library in Graphviz 2.40.1 allows…

published 2018-05-30 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-2272

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

NULL pointer dereference vulnerability in the rebuild_vlists function in lib/dotgen/conc.c in the dotgen library in Graphviz 2.40.1 allows remote attackers to cause a denial of service (application crash) via a crafted file.

Patch / fix

  • graphviz Debian 14, Debian 13, Debian 12 2.40.1-6

debian advisories DEBIAN-CVE-2018-10196

  • graphviz Ubuntu Pro 14.04 LTS 2.36.0-0ubuntu3.2+esm1
  • graphviz Ubuntu Pro 16.04 LTS 2.38.0-12ubuntu2.1+esm1
  • graphviz Ubuntu Pro 18.04 LTS 2.40.1-2ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2018-10196

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • graphviz-plugins SLE High Availability Extension 11 SP4 2.20.2-8.3.6
  • graphviz SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 2.28.0-29.3.8
  • graphviz-plugins SLES for SAP 12 SP5, SLES 12 SP5, SLE High Availability Extension 12 SP5 +2 more 2.28.0-29.3.17
  • graphviz SLE Module for Basesystem 15 SP1 2.40.1-6.6.4
  • graphviz-addons SLE Module for Server Applications 15 SP1, SLE Module for Development Tools 15 SP1, SLE High Availability Extension 15 SP1 +1 more 2.40.1-6.6.8

suse advisories SUSE-SU-2020:14524-1SUSE-SU-2020:3090-1SUSE-SU-2020:2346-1

  • graphviz openSUSE Tumbleweed 2.48.0-4.2
  • graphviz openSUSE Leap 15.2 2.40.1-lp152.7.7.1
  • graphviz-addons openSUSE Leap 15.2 2.40.1-lp152.7.7.1
  • graphviz openSUSE Leap 15.1 2.40.1-lp151.6.6.1
  • graphviz-addons openSUSE Leap 15.1 2.40.1-lp151.6.6.1

opensuse advisories openSUSE-SU-2024:10821-1openSUSE-SU-2020:1303-1openSUSE-SU-2020:1294-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-10196 updated cvss 3.3

graphviz: NULL pointer dereference in rebuild_vlis

  • Red Hat Enterprise Linux 6 graphviz, graphviz-gd, graphviz-lua, graphviz-php, graphviz-tcl, graphviz-java, +5 more Red Hat Enterprise Linux 7 graphviz, graphviz-gd, graphviz-lua, graphviz-php, graphviz-tcl, graphviz-java, +6 more Red Hat Enterprise Linux 8 graphviz, graphviz-gd, graphviz-python3
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.63% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.