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CVE-2017-7753

Published: 10 August 2017

An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Priority

Medium

CVSS 3 base score: 9.1

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
Upstream
Released (55.0)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (55.0.2+build1-0ubuntu4)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (55.0.1+build2-0ubuntu0.16.04.2)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [55.0.1+build2-0ubuntu0.14.04.2])
mozjs38
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(code not present)
Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

thunderbird
Launchpad, Ubuntu, Debian
Upstream
Released (52.3.0)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1:52.4.0+build1-0ubuntu2)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (1:52.3.0+build1-0ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [1:52.3.0+build1-0ubuntu0.14.04.1])