CVE-2025-0239 (GCVE-0-2025-0239)
Vulnerability from cvelistv5
Published
2025-01-07 16:07
Modified
2026-04-13 14:30
Severity ?
4.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
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.
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 128.6
Unaffected: 134
 Create a notification for this product.
   Mozilla Thunderbird Unaffected: 128.6
Unaffected: 134
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