CVE-2016-2821

Published: 08 June 2016

Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
Upstream
Released (47.0)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (47.0+build3-0ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [47.0+build3-0ubuntu0.14.04.1])
thunderbird
Launchpad, Ubuntu, Debian
Upstream Not vulnerable

Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected)