CVE-2025-5419
KEVGoogle Chromium V8 Out-of-Bounds Read and Write Vulnerability
Description
Google Chromium V8 contains an out-of-bounds read and write vulnerability that could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Out of bounds read and write in V8 in Google Chrome prior to 137.0.7151.68 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedJun 3, 2025
Last modifiedJun 17, 2026
Added to KEVJun 5, 2025
Remediation dueJun 26, 2025
References
- chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop.htmlRelease Notes
- issues.chromium.org/issues/420636529Permissions Required
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-5419Third Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5419US Government Resource
0 recent articles mention this CVE
75
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 488 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 7.8% · top 5% of all CVEs
- Weakness
- CWE-125
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.