CVE-2023-37204 Security feature bypass in Firefox

What is CVE-2023-37204?

CVE-2023-37204 is a medium-severity vulnerability in Mozilla Firefox, published on 5 Jul 2023. 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 website could have obscured the fullscreen notification by using an option element by introducing lag via an expensive computational function. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.

Which versions are affected by CVE-2023-37204?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2023-37204?

Upgrade to a fixed version.

Is CVE-2023-37204 being exploited?

There is no known exploitation of CVE-2023-37204 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-9g93-p34g-x5f6, UBUNTU-CVE-2023-37204.