Intrusion Prevention

Mozilla.Firefox.ReadableStreamCloseInternal.Memory.Corruption

Description

This indicates an attack attempt to exploit a Memory Corruption 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 Firefox ESR before 68.6
Mozilla Firefox before 74
Mozilla Thunderbird before 68.6

Impact

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

CVE References

CVE-2020-6806