CVE-2025-12440: chrome Buffer Overflow — Fix

Description

Inappropriate implementation in Autofill in Google Chrome prior to 142.0.7444.59 allowed a remote attacker who convinced a user to engage in specific UI gestures to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Low)

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
google	chrome	< 142.0.7444.59
apple	macos	All
linux	linux_kernel	All
microsoft	windows	All

References

Advisories & Patches

https://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html

Other References

https://issues.chromium.org/issues/430555440

Frequently Asked Questions

What is CVE-2025-12440? +

Inappropriate implementation in Autofill in Google Chrome prior to 142.0.7444.59 allowed a remote attacker who convinced a user to engage in specific UI gestures to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Low) It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-12440? +

CVE-2025-12440 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-12440? +

CVE-2025-12440 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-2025-12440? +

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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