CVE-2016-2802

Publication date 8 March 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Description

The graphite2::TtfUtil::CmapSubtable4NextCodepoint 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

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-2934-1
    • Thunderbird vulnerabilities
    • 27 April 2016

Other references