Vulnerability · Published Dec 2, 2025 · Assigned by Chrome
CVE-2025-13634
Medium 4.4
In plain English
A medium-severity authentication bypass by spoofing 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 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.2%top 94.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Inappropriate implementation in Downloads in Google Chrome on Windows prior to 143.0.7499.41 allowed a local attacker to bypass mark of the web via a crafted HTML page. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | qt6-qtwebengine | 6.10.1-r1 | ALPINE-CVE-2025-13634 |
| Alpine:v3.24 | qt6-qtwebengine | 6.10.1-r2 | ALPINE-CVE-2025-13634 |
| Debian:12 | chromium | 143.0.7499.40-1~deb12u1 | DSA-6072-1 |
| Debian:12 | chromium | 143.0.7499.40-1~deb12u1 | DEBIAN-CVE-2025-13634 |
| Debian:13 | chromium | 143.0.7499.40-1~deb13u1 | DEBIAN-CVE-2025-13634 |
| Debian:13 | chromium | 143.0.7499.40-1~deb13u1 | DSA-6072-1 |
| Debian:14 | chromium | 143.0.7499.40-1 | DEBIAN-CVE-2025-13634 |
Affected products (as reported)
Weakness: CWE-290 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N