CVE-2017-7757

Published: 14 June 2017

A use-after-free vulnerability in IndexedDB when one of its objects is destroyed in memory while a method on it is still being executed. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
Upstream
Released (54.0)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (54.0+build3-0ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [54.0+build3-0ubuntu0.14.04.1])
thunderbird
Launchpad, Ubuntu, Debian
Upstream
Released (52.2.0)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (1:52.2.1+build1-0ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [1:52.2.1+build1-0ubuntu0.14.04.1])