Out-of-bounds Read in Google Chrome OS
CVE-2025-2509
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (1.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Google Chrome OS — versions 16093.57.0
- Google Chromeos — versions 16093.57.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 7f6e188d-c52a-4a19-8674-3c3fa7d1fc7f (Exploit, Issue Tracking)
- 7f6e188d-c52a-4a19-8674-3c3fa7d1fc7f (Broken Link)
Frequently asked questions
- What is CVE-2025-2509?
- CVE-2025-2509 is a high-severity vulnerability in Google Chrome OS, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2025-05-06.
- How severe is CVE-2025-2509?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2025-2509 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.