CVE-2025-2509 Memory corruption in ChromeOS
A malicious guest VM can trigger an out-of-bounds read in Virglrenderer to escape the sandbox and execute arbitrary code on the host.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-2509?
CVE-2025-2509 is a high-severity memory corruption vulnerability in Google Chrome Os, published on 6 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out-of-Bounds Read in Virglrenderer in ChromeOS 16093.57.0 allows a malicious guest VM to achieve arbitrary address access within the crosvm sandboxed process, potentially leading to VM escape via crafted vertex elements data triggering an out-of-bounds read in util_format_description.
Weakness: CWE-125
Which versions are affected by CVE-2025-2509?
It affects 1 product.
Products include Google Chrome Os.
How do I fix CVE-2025-2509?
No fix has been published for CVE-2025-2509 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-2509 being exploited?
There is no known exploitation of CVE-2025-2509 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome Os
Sources
Also known as GHSA-vv54-m573-67vp.