CVE-2022-22741 Other in Firefox

High 7.5 Published Updated

Attackers can trap users in fullscreen mode by resizing popups, causing a denial of service in Firefox and Thunderbird.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-22741?

CVE-2022-22741 is a high-severity vulnerability in Mozilla Firefox, published on 22 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

When resizing a popup while requesting fullscreen access, the popup would have become unable to leave fullscreen mode. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Which versions are affected by CVE-2022-22741?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.

How do I fix CVE-2022-22741?

Upgrade to a fixed version.

Is CVE-2022-22741 being exploited?

There is no known exploitation of CVE-2022-22741 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-22741, GHSA-3799-j5gp-4x56, UBUNTU-CVE-2022-22741.

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