CVE-2019-9904

Publication date 21 March 2019

Last updated 11 July 2025

Ubuntu priority

Cvss 3 Severity Score

Description

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
graphviz	26.04 LTS resolute	Needs evaluation
	25.10 questing	Needs evaluation
	25.04 plucky	Ignored end of life, was needs-triage
	24.10 oracular	Ignored end of life, was needs-triage
	24.04 LTS noble	Needs evaluation
	23.10 mantic	Ignored end of life, was needs-triage
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Needs evaluation
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Ignored end of standard support, was needs-triage
	19.10 eoan	Ignored end of life
	19.04 disco	Ignored end of life
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Ignored end of standard support, was needs-triage
	16.04 LTS xenial	Vulnerable, fix deferred
	14.04 LTS trusty	Ignored end of standard support

Notes

iconstantin

No clear fix identified by upstream as of 2022-01-27

ccdm94

according to upstream in a comment in issue 1512, the PoC does not reproduce in Linux starting with version 2.46.0. A new reproducer was requested, but no answer has been provided to this request, and the issue was closed without an explicit patch being provided.

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H