Related Vulnerabilities: CVE-2018-18492  

A use-after-free has been found in Firefox < 64.0, after deleting a selection element due to a weak reference to the select element in the options collection.

Severity High

Remote Yes

Type Arbitrary code execution

Description

A use-after-free has been found in Firefox < 64.0, after deleting a selection element due to a weak reference to the select element in the options collection.

AVG-833 firefox 63.0.3-1 64.0-1 Critical Fixed

12 Dec 2018 ASA-201812-9 AVG-833 firefox Critical multiple issues

https://www.mozilla.org/en-US/security/advisories/mfsa2018-29/#CVE-2018-18492
https://bugzilla.mozilla.org/show_bug.cgi?id=1499861