CVE-2017-5403

Published: 07 March 2017

When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object. This triggers a use-after-free, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 52 and Thunderbird < 52.

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
Upstream
Released (52.0)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (52.0+build2-0ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [52.0+build2-0ubuntu0.14.04.1])
Ubuntu 12.04 ESM (Precise Pangolin)
Released (52.0+build2-0ubuntu0.12.04.1)