Related Vulnerabilities: CVE-2018-12386  

A vulnerability has been found in Firefox before 62.0.3 in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered.

Severity Critical

Remote Yes

Type Arbitrary code execution

Description

A vulnerability has been found in Firefox before 62.0.3 in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered.

AVG-775 firefox 62.0.2-1 62.0.3-1 Critical Fixed

04 Oct 2018 ASA-201810-6 AVG-775 firefox Critical multiple issues

https://www.mozilla.org/en-US/security/advisories/mfsa2018-24/#CVE-2018-12386
https://bugzilla.mozilla.org/show_bug.cgi?id=1493900