Related Vulnerabilities: CVE-2019-9795  

A vulnerability has been found in Firefox before 66.0; where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash.

Severity High

Remote Yes

Type Arbitrary code execution

Description

A vulnerability has been found in Firefox before 66.0; where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash.

AVG-925 firefox 65.0.2-1 66.0-1 Critical Fixed

https://www.mozilla.org/en-US/security/advisories/mfsa2019-07/#CVE-2019-9795
https://bugzilla.mozilla.org/show_bug.cgi?id=1514682