Related Vulnerabilities: CVE-2019-11714  

Necko can access a child on the wrong thread during UDP connections, resulting in a potentially exploitable crash in some instances.

Severity Critical

Remote Yes

Type Arbitrary code execution

Description

Necko can access a child on the wrong thread during UDP connections, resulting in a potentially exploitable crash in some instances.

AVG-1002 firefox 67.0.4-2 68.0-1 Critical Testing

https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11714
https://bugzilla.mozilla.org/show_bug.cgi?id=1542593