Intrusion Prevention

Mozilla.Firefox.Spidermonkey.ObjectGroup.Type.Confusion

Description

This indicates an attack attempt to exploit a Type Confusion vulnerability in Mozilla Firefox.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted web page. An attacker can exploit this by tricking an unsuspecting user into visiting a malicious web page and execute arbitrary code within the context of the application.

Affected Products

Mozilla Thunderbird before 60.7
Mozilla Firefox ESR before 60.7
Mozilla Firefox before 67

Impact

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

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://www.mozilla.org/en-US/firefox/all/

CVE References

CVE-2019-9816