Vulnerability · Published Nov 10, 2025 · Assigned by Chrome
CVE-2025-12440
Medium 5.3
In plain English
A medium-severity buffer overflow in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 88.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 142.0.7444.59-1~deb12u1 | DEBIAN-CVE-2025-12440 |
| Debian:12 | chromium | 142.0.7444.59-1~deb12u1 | DSA-6046-1 |
| Debian:13 | chromium | 142.0.7444.59-1~deb13u1 | DEBIAN-CVE-2025-12440 |
| Debian:13 | chromium | 142.0.7444.59-1~deb13u1 | DSA-6046-1 |
| Debian:14 | chromium | 142.0.7444.59-1 | DEBIAN-CVE-2025-12440 |
Affected products (as reported)
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N