CVE-2023-6860 Security feature bypass in Firefox
Attackers can escape the browser sandbox by abusing VideoBridge texture handling, potentially executing arbitrary code with elevated privileges.
- 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-2023-6860?
CVE-2023-6860 is a medium-severity vulnerability in Debian Debian Linux, published on 19 Dec 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
The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Which versions are affected by CVE-2023-6860?
It affects 4 products.
Products include Debian Debian Linux, Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2023-6860?
Upgrade to a fixed version.
Is CVE-2023-6860 being exploited?
There is no known exploitation of CVE-2023-6860 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2023-6860, GHSA-96p4-h67r-wqfm, UBUNTU-CVE-2023-6860.