Remote Yes

Type Arbitrary code execution

Description

A use-after-free can occur when events are fired for a FontFace object after the object has been already been destroyed while working with fonts.

AVG-194 firefox 51.0.1-1 52.0-1 Critical Fixed

AVG-193 thunderbird 45.7.1-3 45.8.0-1 Critical Fixed

10 Mar 2017 ASA-201703-3 AVG-194 firefox Critical multiple issues

10 Mar 2017 ASA-201703-2 AVG-193 thunderbird Critical multiple issues

https://www.mozilla.org/en-US/security/advisories/mfsa2017-07/#CVE-2017-5402
https://bugzilla.mozilla.org/show_bug.cgi?id=1334876