CVE-2018-6942

Publication date 13 February 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
freetype	17.10 artful	Fixed 2.8-0.2ubuntu2.1
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

leosilva

for precise/esm, trusty and xenial code affected is not present.

Patch details

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

Package	Patch details
freetype	Upstream: ?id=29c

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:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H