VDB

CESS-2025-0239

CESS-2025-0239 PUBLISHED CVSS 4 MEDIUM

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.

Risk Scores

CVSS 3.1
4
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Timeline

  • Jan 7, 2025 CVE Published
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