CVE-2019-11758

Published: 08 January 2020

Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.

Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(windows only)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(windows only)
Ubuntu 16.04 LTS (Xenial Xerus) Not vulnerable
(windows only)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Ubuntu 12.04 ESM (Precise Pangolin) Does not exist

Notes

AuthorNote
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
sbeattie only occurs when 360 Total Security, a windows virsu scanner, is installed.

References