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CVE-2019-11758

Published: 8 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.

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.
Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(windows only)
disco Not vulnerable
(windows only)
eoan Not vulnerable
(windows only)
precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(windows only)