CVE-2025-14766: chrome Out-of-bounds Read — Fix

Description

Out of bounds read and write in V8 in Google Chrome prior to 143.0.7499.147 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
google	chrome	< 143.0.7499.146
apple	macos	All
linux	linux_kernel	All
microsoft	windows	All

References

Advisories & Patches

https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop_16.html

Other References

https://issues.chromium.org/issues/466786677

Frequently Asked Questions

What is CVE-2025-14766? +

Out of bounds read and write in V8 in Google Chrome prior to 143.0.7499.147 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High) It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-14766? +

CVE-2025-14766 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-14766? +

CVE-2025-14766 affects products from apple, google, linux, microsoft, specifically: chrome, linux_kernel, macos, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-14766? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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