CVE-2023-29534 Security feature bypass in Firefox for Android

Q: Is CVE-2023-29534 being exploited?

There is no known exploitation of CVE-2023-29534 in the wild and no public exploit code.

Critical 9.1 Published 19 Jun 2023 Updated 11 Dec 2024

Attackers can obscure fullscreen notifications in Firefox and Focus for Android, enabling user confusion and spoofing attacks.

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

What is CVE-2023-29534?

CVE-2023-29534 is a critical vulnerability in Mozilla Firefox Mobile, published on 19 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential user confusion and spoofing attacks.

*This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

Which versions are affected by CVE-2023-29534?

It affects 2 products.

Products include Mozilla Firefox Focus, Mozilla Firefox Mobile.

How do I fix CVE-2023-29534?

Upgrade to a fixed version.

Is CVE-2023-29534 being exploited?

There is no known exploitation of CVE-2023-29534 in the wild and no public exploit code.

All Mozilla Firefox Mobile vulnerabilities

Sources

Also known as GHSA-4g28-wh72-jhwq, UBUNTU-CVE-2023-29534.