CVE-2024-4768: Debian Linux

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A bug in popup notifications' interaction with WebAuthn made it easier for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

Affected products

• Debian Debian Linux: version 10.0 only
• Mozilla Firefox: before 115.11.0 (fixed in 115.11.0); before 126.0 (fixed in 126.0)
• Mozilla Thunderbird: before 115.11.0 (fixed in 115.11.0)

Published 2024-05-14. Last modified 2026-06-17.