CVE-2024-5690

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 127 Firefox ESR versions prior to 115.12 Thunderbird versions prior to 115.12

Description: The issue is related to the use of hidden side channels, allowing an attacker to potentially guess which external protocol handlers are functional on a user's system by monitoring the time certain operations take. This could enable a remote attacker to gain unauthorized access to protected information.

Recommendations: For Firefox versions prior to 127, update to version 127 or later. For Firefox ESR versions prior to 115.12, update to version 115.12 or later. For Thunderbird versions prior to 115.12, update to version 115.12 or later.