Remote Yes

Type Arbitrary code execution

Description

A use-after-free vulnerability has been found in the Media Decoder of Firefox < 51 and Thunderbird < 45.7, when working with media files when some events are fired after the media elements are freed from memory.

AVG-158 thunderbird 45.6.0-1 45.7.0-1 Critical Fixed

AVG-157 firefox 50.1.0-1 51.0.1-1 Critical Fixed

29 Jan 2017 ASA-201701-40 AVG-158 thunderbird Critical multiple issues

29 Jan 2017 ASA-201701-39 AVG-157 firefox Critical multiple issues

https://www.mozilla.org/en-US/security/advisories/mfsa2017-01/#CVE-2017-5396
https://bugzilla.mozilla.org/show_bug.cgi?id=1329403