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CVE-2016-2797

Published: 8 March 2016

The graphite2::TtfUtil::CmapSubtable12Lookup 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, a different vulnerability than CVE-2016-2801.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
precise
Released (45.0+build2-0ubuntu0.12.04.1)
trusty
Released (45.0+build2-0ubuntu0.14.04.1)
upstream
Released (45.0)
wily
Released (45.0+build2-0ubuntu0.15.10.1)
xenial Not vulnerable
(45.0+build2-0ubuntu1)
yakkety Not vulnerable
(45.0+build2-0ubuntu1)
zesty Not vulnerable
(45.0+build2-0ubuntu1)
thunderbird
Launchpad, Ubuntu, Debian
precise
Released (1:38.7.2+build1-0ubuntu0.12.04.1)
trusty
Released (1:38.7.2+build1-0ubuntu0.14.04.1)
upstream
Released (38.7)
wily
Released (1:38.7.2+build1-0ubuntu0.15.10.1)
xenial
Released (1:38.7.2+build1-0ubuntu0.16.04.1)
yakkety
Released (1:38.8.0+build1-0ubuntu1)
zesty
Released (1:38.8.0+build1-0ubuntu1)
graphite2
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty
Released (1.3.6-1ubuntu0.14.04.1)
upstream
Released (1.3.6-1)
wily
Released (1.3.6-1ubuntu0.15.10.1)
xenial
Released (1.3.6-1ubuntu1)
yakkety
Released (1.3.6-1ubuntu1)
zesty
Released (1.3.6-1ubuntu1)

Severity score breakdown

Parameter Value
Base score 8.8
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