CVE-2016-5384

Publication date 8 August 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

fontconfig before 2.12.1 does not validate offsets, which allows local users to trigger arbitrary free calls and consequently conduct double free attacks and execute arbitrary code via a crafted cache file.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
fontconfig	17.04 zesty	Fixed 2.11.94-0ubuntu2
	16.10 yakkety	Fixed 2.11.94-0ubuntu2
	16.04 LTS xenial	Fixed 2.11.94-0ubuntu1.1
	14.04 LTS trusty	Fixed 2.11.0-0ubuntu4.2
	12.04 LTS precise	Fixed 2.8.0-3ubuntu9.2

Patch details

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

Package	Patch details
fontconfig	Upstream: ?id=7a4

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3063-1
Fontconfig vulnerability
17 August 2016