CVE-2025-11709 Out of bounds read/write in a privileged process triggered by WebGL textures
A compromised web process can trigger out-of-bounds memory access in a privileged process via WebGL textures, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-11709?
CVE-2025-11709 is a critical memory corruption vulnerability in Mozilla Firefox, published on 14 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
Weakness: CWE-787
Which versions are affected by CVE-2025-11709?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Thunderbird.
How do I fix CVE-2025-11709?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-11709 being exploited?
There is no known exploitation of CVE-2025-11709 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2025-11709, GHSA-2w7r-ggfp-x894, UBUNTU-CVE-2025-11709.