CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 4.0. It affects Firefox.
CVE
CVE-2025-0239
Severity
MEDIUM
CVSS
4
EPSS
0.23%
Firefox
Original NVD Description
When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
Related CVEs
Other vulnerabilities affecting the same vendor(s)