CVE-2024-4766 Security feature bypass in Firefox

What is CVE-2024-4766?

CVE-2024-4766 is a medium-severity vulnerability in Mozilla Firefox, 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

Different techniques existed to obscure the fullscreen notification in Firefox for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 126.

Which versions are affected by CVE-2024-4766?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2024-4766?

Upgrade to a fixed version.

Is CVE-2024-4766 being exploited?

There is no known exploitation of CVE-2024-4766 in the wild and no public exploit code.

Other vulnerabilities in Mozilla Firefox

• CVE-2019-11708 Mozilla Firefox and Thunderbird Sandbox Escape Exploited Critical 10.0
• CVE-2010-3765 Mozilla Multiple Products Remote Code Execution Exploited Critical 9.8
• CVE-2022-26486 Mozilla Firefox Use-After-Free Exploited Critical 9.6
• CVE-2022-26485 Mozilla Firefox Use-After-Free Exploited High 8.8
• CVE-2019-11707 Mozilla Firefox and Thunderbird Type Confusion Exploited High 8.8

All Mozilla Firefox vulnerabilities

Sources

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

Also known as GHSA-x4vx-jp8h-mrcx.