CVE-2018-10196

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
graphviz	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Ignored
	18.04 LTS bionic	Fixed 2.40.1-2ubuntu0.1~esm1 Ubuntu Pro
	17.10 artful	Ignored
	16.04 LTS xenial	Fixed 2.38.0-12ubuntu2.1+esm1 Ubuntu Pro
	14.04 LTS trusty	Fixed 2.36.0-0ubuntu3.2+esm1 Ubuntu Pro

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro

Notes

eslerm

trusty needs at least upstream commit 2296633 to backport

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
graphviz	Upstream: 8375908

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-5264-1
Graphviz vulnerabilities
3 February 2022

USN-5971-1
Graphviz vulnerabilities
24 March 2023

Other references

https://www.cve.org/CVERecord?id=CVE-2018-10196