High severity7.8NVD Advisory· Published Apr 29, 2021· Updated Jun 17, 2026

CVE-2020-18032

Description

Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by loading a crafted file into the "lib/common/shapes.c" component.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Graphviz/Graphviz2 versions
cpe:2.3:a:graphviz:graphviz:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:graphviz:graphviz:*:*:*:*:*:*:*:*range: <2.46.0
- (no CPE)range: <=f8b9e035
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Graphviz/Graphviz Graph Visualization Toolsdescription
osv-coords82 versions
pkg:apk/chainguard/py3-graphviz pkg:apk/chainguard/py3.10-graphviz pkg:apk/chainguard/py3.11-graphviz pkg:apk/chainguard/py3.12-graphviz pkg:apk/chainguard/py3.13-graphviz pkg:rpm/almalinux/graphviz pkg:rpm/almalinux/graphviz-devel pkg:rpm/almalinux/graphviz-doc pkg:rpm/almalinux/graphviz-gd pkg:rpm/almalinux/graphviz-python3 pkg:rpm/opensuse/graphviz&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/graphviz&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/graphviz-addons&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/graphviz-addons&distro=openSUSE%20Leap%2015.3 pkg:rpm/suse/graphviz&distro=HPE%20Helion%20OpenStack%208 pkg:rpm/suse/graphviz&distro=SUSE%20Enterprise%20Storage%206 pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSS pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/graphviz&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/graphviz&distro=SUSE%20Manager%20Proxy%204.0 pkg:rpm/suse/graphviz&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0 pkg:rpm/suse/graphviz&distro=SUSE%20Manager%20Server%204.0 pkg:rpm/suse/graphviz&distro=SUSE%20OpenStack%20Cloud%208 pkg:rpm/suse/graphviz&distro=SUSE%20OpenStack%20Cloud%209 pkg:rpm/suse/graphviz&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208 pkg:rpm/suse/graphviz&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Enterprise%20Storage%206 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP2 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Manager%20Proxy%204.0 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0 pkg:rpm/suse/graphviz-addons&distro=SUSE%20Manager%20Server%204.0 pkg:rpm/suse/graphviz-plugins&distro=HPE%20Helion%20OpenStack%208 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP3 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP4 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSS pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20OpenStack%20Cloud%208 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20OpenStack%20Cloud%209 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208 pkg:rpm/suse/graphviz-plugins&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 0+ 81 more
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 2.40.1-43.el8
- (no CPE)range: < 2.40.1-43.el8
- (no CPE)range: < 2.40.1-43.el8
- (no CPE)range: < 2.40.1-43.el8
- (no CPE)range: < 2.40.1-43.el8
- (no CPE)range: < 2.40.1-lp152.7.10.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-lp152.7.10.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.40.1-6.9.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1
- (no CPE)range: < 2.28.0-29.6.1

Patches

Vulnerability mechanics

References

gitlab.com/graphviz/graphviz/-/issues/1700nvdExploitPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2021/05/msg00014.htmlnvdMailing ListThird Party Advisory
security.gentoo.org/glsa/202107-04nvdIssue TrackingThird Party Advisory
www.debian.org/security/2021/dsa-4914nvdThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D5PQPHJHPU46FK3R5XBP3XDT4X37HMPC/nvd
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGY2IGARE6RZHTF2UEZEWLMQCDILFK6A/nvd

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000