CVE-2019-9904

An issue was discovered in lib\cdt\dttree.c in libcdt.a in graphviz 2.40.1. Stack consumption...

6.5 Medium

An issue was discovered in lib\cdt\dttree.c in libcdt.a in graphviz 2.40.1. Stack consumption occurs because of recursive agclose calls in lib\cgraph\graph.c in libcgraph.a, related to agfstsubg in lib\cgraph\subg.c.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

2.69%Up 2.1 points since Apr 14, 2021

What each source reports

NVD Score used 6.5

Record: CVE-2019-9904
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-674
Updated: 2026-11-02

CVE List No score

Record: CVE-2019-9904
Updated: 2026-11-02

EUVDEUVD-2019-19259 No score

Record: EUVD-2019-19259
Updated: 2026-11-03

GitHub AdvisoriesGHSA-wqh3-2wqg-rq54 6.5

An issue was discovered in lib\cdt\dttree.c in libcdt.a in graphviz 2.40.1. Stack consumption...

Record: GHSA-wqh3-2wqg-rq54
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-674
Updated: 2026-11-02

OSV 6.5

Record: CVE-2019-9904
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-9904 6.5

Record: UBUNTU-CVE-2019-9904
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

graphviz

Affected packages

Affected packages
Package	Affected	Fixed
`graphviz` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 2.26.3-15ubuntu42.34.0-0ubuntu42.34.0-0ubuntu52.36.0-0ubuntu12.36.0-0ubuntu2 Show 5 moreShow less 2.36.0-0ubuntu32.36.0-0ubuntu3.12.36.0-0ubuntu3.22.36.0-0ubuntu3.2+esm12.36.0-0ubuntu3.2+esm2	None known
`graphviz` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2.38.0-10build12.38.0-112.38.0-122.38.0-12build12.38.0-12ubuntu1 Show 4 moreShow less 2.38.0-12ubuntu22.38.0-12ubuntu2.12.38.0-12ubuntu2.1+esm12.38.0-12ubuntu2.1+esm2	None known
`graphviz` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 2.38.0-16ubuntu22.38.0-18ubuntu12.40.1-0ubuntu52.40.1-0ubuntu62.40.1-22.40.1-2ubuntu0.1~esm12.40.1-2ubuntu0.1~esm2	None known
`graphviz` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 2.40.1-7build12.40.1-7build22.42.2-32.42.2-3build12.42.2-3build22.42.2-3ubuntu0.1~esm12.42.2-3ubuntu0.1~esm2	None known
`graphviz` Ubuntu:Pro:22.04:LTS	All versions, plus listed versions 2.42.2-52.42.2-5build12.42.2-62.42.2-6ubuntu0.1~esm12.42.2-6ubuntu0.12.42.2-6ubuntu0.1+esm1	None known
`graphviz` Ubuntu:24.04:LTS	All versions, plus listed versions 2.42.2-7build32.42.2-7build42.42.2-8build12.42.2-92.42.2-9build12.42.2-9ubuntu0.1	None known
`graphviz` Ubuntu:25.10	All versions, plus listed versions 2.42.4-32.42.4-3build12.42.4-3build2	None known
`graphviz` Ubuntu:26.10	All versions, plus listed versions 14.1.2-1ubuntu114.1.2-1ubuntu2	None known
`graphviz` Ubuntu:26.04:LTS	All versions, plus listed versions 2.42.4-3build214.1.1-1ubuntu114.1.1-2ubuntu214.1.2-1ubuntu1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-9904 is a medium vulnerability (CVSS 6.5) in Graphviz, published March 21, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.69%, the 85th percentile. No source names a fixed version.