CVE-2024-4768 Security feature bypass in Firefox

What is CVE-2024-4768?

CVE-2024-4768 is a medium-severity vulnerability in Debian Debian Linux, published on 14 May 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-281

Which versions are affected by CVE-2024-4768?

It affects 3 products.

Products include Debian Debian Linux, Mozilla Firefox, Mozilla Thunderbird.

How do I fix CVE-2024-4768?

Upgrade to a fixed version.

Is CVE-2024-4768 being exploited?

There is no known exploitation of CVE-2024-4768 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2024-4768, GHSA-2fg8-6ggf-j2jg, UBUNTU-CVE-2024-4768.