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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefoxUpgrade firefox-x11 | Jan 13, 2025 | Jan 7, 2025 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Jan 10, 2025 | Jan 7, 2025 |
| Freebsd | — | Upgrade firefoxUpgrade librewolfUpgrade thunderbirdUpgrade firefox-esr | Apr 6, 2025 | Apr 4, 2025 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox.Upgrade dev-lang/spidermonkey.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird. | Jan 24, 2025 | Jan 7, 2025 |
| Mfsa2025 01 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 134.0 | Jan 8, 2025 | Jan 7, 2025 |
| Mfsa2025 02 | — | Upgrade to Mozilla Firefox ESR version 128.6Upgrade to the latest version of Mozilla Firefox | Jan 8, 2025 | Jan 7, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 128.6 | Jan 10, 2025 | Jan 7, 2025 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade firefox | Jan 10, 2025 | Jan 7, 2025 |
| Redhat_linux | — | Upgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade firefoxUpgrade firefox-debugsourceUpgrade firefox-debuginfoNo solution existsUpgrade firefox-x11Upgrade thunderbird-debuginfo | Jan 10, 2025 | Jan 7, 2025 |
| Rocky_linux | — | Upgrade firefox-debugsourceUpgrade firefoxUpgrade firefox-debuginfo | Jan 13, 2025 | Jan 7, 2025 |
| Suse | — | Upgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbird-translations-otherUpgrade mozjs128Upgrade mozjs128-develUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbirdUpgrade libmozjs-128-0Upgrade MozillaFirefox-develUpgrade mozillafirefox-branding-upstream | Jan 10, 2025 | Jan 7, 2025 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Jan 10, 2025 | Jan 7, 2025 |
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