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Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 do not properly interpret Set-Cookie headers within responses that have a 407 (aka Proxy Authentication Required) status code, which allows remote HTTP proxy servers to conduct session fixation attacks by providing a cookie name that corresponds to the session cookie of the origin server.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade thunderbirdUpgrade xulrunnerUpgrade firefoxUpgrade xulrunner-devel | Dec 1, 2016 | Jan 14, 2015 |
| Freebsd | — | Upgrade firefoxUpgrade libxulUpgrade seamonkeyUpgrade thunderbirdUpgrade firefox-esrUpgrade linux-firefoxUpgrade linux-thunderbirdUpgrade linux-seamonkey | Dec 10, 2025 | Jan 14, 2015 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade www-client/firefox.Upgrade dev-libs/nspr.Upgrade mail-client/thunderbird.Upgrade www-client/seamonkey.Upgrade mail-client/thunderbird-bin.Upgrade www-client/seamonkey-bin. | Oct 30, 2017 | Jan 14, 2015 |
| Mfsa2015 04 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 35.0Upgrade to Mozilla Firefox ESR version 31.4 | Jan 15, 2015 | Jan 13, 2015 |
| Mozilla Seamonkey | — | Upgrade to Mozilla SeaMonkey version 2.32Upgrade to the latest version of Mozilla SeaMonkey | Jan 15, 2015 | Jan 13, 2015 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 31.4 | Jan 15, 2015 | Jan 13, 2015 |
| Oracle Solaris | — | Upgrade web/browser/firefox to version 31.6.0-0.175.2.11.0.3.0 on Solaris 11.2Upgrade web/browser/firefox/multi-user-desktop to version 31.6.0-0.175.2.11.0.3.0 on Solaris 11.2Upgrade consolidation/desktop/desktop-incorporation to version 0.5.11-0.175.3.0.0.28.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 31.6.0-0.175.2.11.0.3.0 on Solaris 11.2 | May 29, 2017 | Jan 14, 2015 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade xulrunnerUpgrade xulrunner-develUpgrade firefox | Oct 16, 2024 | Jan 14, 2015 |
| Suse | — | Upgrade mozilla-nssUpgrade MozillaThunderbird-translations-commonUpgrade libsoftokn3-hmac-32bitUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-develUpgrade libfreebl3-hmac-32bitUpgrade libfreebl3-x86Upgrade mozilla-nss-certs-32bitUpgrade mozilla-nss-certsUpgrade MozillaFirefox-translations-otherUpgrade mozilla-nss-toolsUpgrade mozilla-nss-develUpgrade libsoftokn3-hmacUpgrade MozillaThunderbird-develUpgrade libsoftokn3Upgrade MozillaThunderbirdUpgrade MozillaFirefox-translationsUpgrade mozilla-nss-32bitUpgrade MozillaFirefoxUpgrade libfreebl3-32bitUpgrade libfreebl3-hmacUpgrade libsoftokn3-32bitUpgrade libfreebl3Upgrade MozillaFirefox-translations-commonUpgrade mozilla-nss-x86Upgrade libsoftokn3-x86 | Dec 18, 2015 | Jan 14, 2015 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Nov 8, 2024 | Jan 14, 2015 |
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