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The URL parsing implementation in Mozilla Firefox before 42.0 improperly recognizes escaped characters in hostnames within Location headers, which allows remote attackers to obtain sensitive information via vectors involving a redirect.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade linux-thunderbirdUpgrade nssUpgrade firefox-esrUpgrade linux-c6-nsprUpgrade linux-seamonkeyUpgrade thunderbirdUpgrade firefoxUpgrade nsprUpgrade linux-firefoxUpgrade libxulUpgrade seamonkey | Dec 10, 2025 | Nov 19, 2015 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox-bin.Upgrade www-client/firefox.Upgrade mail-client/thunderbird. | Oct 30, 2017 | Nov 5, 2015 |
| Mfsa2015 129 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 42.0 | Nov 4, 2015 | Nov 3, 2015 |
| Oracle Solaris | — | Upgrade database/sqlite-3/documentation to version 3.9.2-0.175.3.8.0.2.0 on Solaris 11.3Upgrade runtime/tcl-8/tcl-sqlite-3 to version 3.9.2-0.175.3.8.0.2.0 on Solaris 11.3Upgrade database/sqlite-3 to version 3.9.2-0.175.3.8.0.2.0 on Solaris 11.3Upgrade web/browser/firefox to version 38.4.0-0.175.3.8.0.2.0 on Solaris 11.3 | May 29, 2017 | Nov 5, 2015 |
| Suse | — | Upgrade MozillaFirefox-translations-commonUpgrade MozillaFirefoxUpgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-other | Dec 18, 2015 | Nov 5, 2015 |
| Ubuntu | — | Upgrade firefox | Nov 9, 2015 | Nov 4, 2015 |
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