Mozilla.Firefox.Custom.Elements.Object.Use.After.Free

description-logoDescription

This indicates an attack attempt to exploit a Use After Free vulnerability in Mozilla Firefox.
The vulnerability is due to an error in the application when parsing a HTML5 stream. A remote attacker may exploit this to execute arbitrary code on vulnerable systems via a crafted web page.

affected-products-logoAffected Products

Mozilla Thunderbird before 60.5
Mozilla Firefox ESR before 60.5
Mozilla Firefox before 65

Impact logoImpact

System Compromise: Remote attackers can gain control of vulnerable systems.

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)

Version Updates

Date Version Detail
2019-06-14 14.633 Default_action:pass:drop
2019-06-05 14.626