CVE-2021-23958

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 85

Description The issue is related to errors in resource management, potentially allowing a remote attacker to gain unauthorized access to protected information. It could also cause the browser to leak unintended information by transferring a screen sharing state into another tab.

Recommendations For versions prior to 85, update to version 85 or later to resolve the issue. As a temporary workaround, consider restricting screen sharing functionality until the update is applied.