CVE-2017-5426

Published: 07 March 2017

On Linux, if the secure computing mode BPF (seccomp-bpf) filter is running when the Gecko Media Plugin sandbox is started, the sandbox fails to be applied and items that would run within the sandbox are run protected only by the running filter which is typically weak compared to the sandbox. Note: this issue only affects Linux. Other operating systems are not affected. This vulnerability affects Firefox < 52 and Thunderbird < 52.

Priority

Medium

CVSS 3 base score: 5.3

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)