How severe is CVE-2025-2509?

CVE-2025-2509 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-2509 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2509?

CVE-2025-2509 affects Google Chrome Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2509?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-2509 have an EU (EUVD) identifier?

Yes. CVE-2025-2509 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13390.

When was CVE-2025-2509 published?

CVE-2025-2509 was published on 2025-05-06 and last updated on 2026-06-17.

CVE-2025-2509

CVE-2025-2509 is a high-severity vulnerability in Google Chrome Os with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13390
Weakness: CWE-125
Affected product: Google Chrome Os
Published: 2025-05-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-2509?: CVE-2025-2509 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-2509 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2509?: CVE-2025-2509 affects Google Chrome Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2509?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-2509 have an EU (EUVD) identifier?: Yes. CVE-2025-2509 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13390.
When was CVE-2025-2509 published?: CVE-2025-2509 was published on 2025-05-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:google:chrome_os:16093.57.0:*:*:*:*:*:*:*

More vulnerabilities in Google Chrome Os

CVE-2014-3188 — Critical (CVSS 10.0): Google Chrome before 38.0.2125.101 and Chrome OS before 38.0.2125.101 do not properly handle the interaction of IPC and…
CVE-2014-1708 — Critical (CVSS 10.0): The boot implementation in Google Chrome OS before 33.0.1750.152 does not properly consider file persistence, which…
CVE-2013-2833 — Critical (CVSS 10.0): Use-after-free vulnerability in the O3D plug-in in Google Chrome OS before 26.0.1410.57 allows remote attackers to…
CVE-2013-0915 — Critical (CVSS 10.0): The GPU process in Google Chrome OS before 25.0.1364.173 allows attackers to cause a denial of service or possibly have…
CVE-2012-2864 — Critical (CVSS 10.0): Mesa, as used in Google Chrome before 21.0.1183.0 on the Acer AC700, Cr-48, and Samsung Series 5 and 5 550 Chromebook…
CVE-2012-4050 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in Google Chrome OS before 21.0.1180.50 on the Cr-48 and Samsung Series 5 and 5…

All CVEs affecting Google Chrome Os →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →