Related Vulnerabilities: CVE-2017-5433  

A use-after-free vulnerability has been found in Firefox < 53, It occurs in SMIL animation functions when pointers to animation elements in an array are dropped from the animation controller while still in use. This results in a potentially exploitable crash.

Severity Critical

Remote Yes

Type Arbitrary code execution

Description

A use-after-free vulnerability has been found in Firefox < 53, It occurs in SMIL animation functions when pointers to animation elements in an array are dropped from the animation controller while still in use. This results in a potentially exploitable crash.

AVG-249 firefox 52.0.2-1 53.0-1 Critical Fixed

21 Apr 2017 ASA-201704-6 AVG-249 firefox Critical multiple issues

https://www.mozilla.org/en-US/security/advisories/mfsa2017-10/#CVE-2017-5433
https://bugzilla.mozilla.org/show_bug.cgi?id=1347168