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CVE-2016-5276

Published: 22 September 2016

Use-after-free vulnerability in the mozilla::a11y::DocAccessible::ProcessInvalidationList function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via an aria-owns attribute.

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
precise
Released (49.0+build4-0ubuntu0.12.04.1)
trusty Does not exist
(trusty was released [49.0+build4-0ubuntu0.14.04.1])
upstream
Released (49.0)
xenial
Released (49.0+build4-0ubuntu0.16.04.1)
yakkety
Released (49.0+build4-0ubuntu2)
thunderbird
Launchpad, Ubuntu, Debian
precise
Released (1:45.4.0+build1-0ubuntu0.12.04.1)
trusty Does not exist
(trusty was released [1:45.4.0+build1-0ubuntu0.14.04.1])
upstream
Released (45.4.0)
xenial
Released (1:45.4.0+build1-0ubuntu0.16.04.1)
yakkety
Released (1:45.4.0+build1-0ubuntu0.16.10.1)