CVE-2016-2794

Publication date 8 March 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The graphite2::TtfUtil::CmapSubtable12NextCodepoint function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Not affected
	15.10 wily	Fixed 45.0+build2-0ubuntu0.15.10.1
	14.04 LTS trusty	Fixed 45.0+build2-0ubuntu0.14.04.1
	12.04 LTS precise	Fixed 45.0+build2-0ubuntu0.12.04.1
graphite2	17.04 zesty	Fixed 1.3.6-1ubuntu1
	16.10 yakkety	Fixed 1.3.6-1ubuntu1
	16.04 LTS xenial	Fixed 1.3.6-1ubuntu1
	15.10 wily	Fixed 1.3.6-1ubuntu0.15.10.1
	14.04 LTS trusty	Fixed 1.3.6-1ubuntu0.14.04.1
	12.04 LTS precise	Ignored end of life
thunderbird	17.04 zesty	Fixed 1:38.8.0+build1-0ubuntu1
	16.10 yakkety	Fixed 1:38.8.0+build1-0ubuntu1
	16.04 LTS xenial	Fixed 1:38.7.2+build1-0ubuntu0.16.04.1
	15.10 wily	Fixed 1:38.7.2+build1-0ubuntu0.15.10.1
	14.04 LTS trusty	Fixed 1:38.7.2+build1-0ubuntu0.14.04.1
	12.04 LTS precise	Fixed 1:38.7.2+build1-0ubuntu0.12.04.1

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-2927-1
graphite2 vulnerabilities
14 March 2016

USN-2917-1
Firefox vulnerabilities
9 March 2016