CVE-2018-12396

Published: 24 October 2018

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

Priority

Medium

CVSS 3 base score: 6.5

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
Upstream
Released (63.0)
Ubuntu 21.04 (Hirsute Hippo)
Released (63.0+build1-0ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (63.0+build1-0ubuntu1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (63.0+build2-0ubuntu0.18.04.2)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (63.0+build2-0ubuntu0.16.04.2)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [63.0+build2-0ubuntu0.14.04.2])
firefox-esr
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

mozjs38
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

mozjs52
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Needs triage

Ubuntu 18.04 LTS (Bionic Beaver) Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

mozjs60
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist