Vulnerability · Published Nov 10, 2025 · Assigned by Chrome
CVE-2025-12433
Medium 4.3
In plain English
A medium-severity security flaw 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 0.3% (higher than 22% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 77.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.22 | qt6-qtwebengine | 6.8.3-r6 | ALPINE-CVE-2025-12433 |
| Alpine:v3.23 | qt6-qtwebengine | 6.10.0-r1 | ALPINE-CVE-2025-12433 |
| Alpine:v3.24 | qt6-qtwebengine | 6.10.0-r1 | ALPINE-CVE-2025-12433 |
| Debian:12 | chromium | 142.0.7444.59-1~deb12u1 | DSA-6046-1 |
| Debian:12 | chromium | 142.0.7444.59-1~deb12u1 | DEBIAN-CVE-2025-12433 |
| Debian:13 | chromium | 142.0.7444.59-1~deb13u1 | DSA-6046-1 |
| Debian:13 | chromium | 142.0.7444.59-1~deb13u1 | DEBIAN-CVE-2025-12433 |
| Debian:14 | chromium | 142.0.7444.59-1 | DEBIAN-CVE-2025-12433 |