CVE-2023-37201 Use after free in Firefox
An attacker can trigger a use-after-free condition in Firefox and Thunderbird via WebRTC connections, potentially leading to arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-37201?
CVE-2023-37201 is a high-severity use after free vulnerability in Debian Debian Linux, 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
An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
Weakness: CWE-416
Which versions are affected by CVE-2023-37201?
It affects 4 products.
Products include Debian Debian Linux, Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2023-37201?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-37201 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-37201 exists.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2023-37201, GHSA-75qj-fcp3-j9w2, UBUNTU-CVE-2023-37201.