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Security Advisories

CVE-2025-0239

Published

Last updated

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-0239

Severity

Unknown

Description

When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6.

References

Affected packages


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