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The Web Workers implementation in Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, Thunderbird ESR 17.x before 17.0.8, and SeaMonkey before 2.20 does not properly restrict XMLHttpRequest calls, which allows remote attackers to bypass the Same Origin Policy and conduct cross-site scripting (XSS) attacks via unspecified vectors.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade xulrunner-develUpgrade thunderbirdUpgrade xulrunnerUpgrade firefox | Dec 1, 2016 | Aug 6, 2013 |
| Freebsd | — | Upgrade linux-firefoxUpgrade linux-seamonkeyUpgrade seamonkeyUpgrade linux-thunderbirdUpgrade firefoxUpgrade thunderbird | Dec 10, 2025 | Aug 8, 2013 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird.Upgrade www-client/seamonkey-bin.Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin.Upgrade www-client/seamonkey. | Oct 30, 2017 | Aug 6, 2013 |
| Mfsa2013 73 | — | Upgrade to Mozilla Firefox version 23.0Upgrade to Mozilla Firefox ESR version 17.0.8Upgrade to the latest version of Mozilla Firefox | Aug 7, 2013 | Aug 6, 2013 |
| Mozilla Seamonkey | — | Upgrade to Mozilla SeaMonkey version 2.20Upgrade to the latest version of Mozilla SeaMonkey | Dec 8, 2014 | Aug 6, 2013 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 17.0.8Upgrade to Mozilla Thunderbird ESR version 17.0.8Upgrade to the latest version of Mozilla Thunderbird | Aug 7, 2013 | Aug 6, 2013 |
| Oracle_linux | — | Upgrade thunderbird | Oct 16, 2024 | Aug 7, 2013 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Aug 7, 2013 |
| Suse | — | Upgrade mozilla-nsprUpgrade MozillaThunderbird-translations-otherUpgrade mozilla-nssUpgrade mozillafirefox-branding-upstreamUpgrade xulrunnerUpgrade MozillaFirefox-branding-SLEDUpgrade xulrunner-32bitUpgrade MozillaFirefox-translations-otherUpgrade mozilla-nspr-32bitUpgrade seamonkeyUpgrade mozilla-nss-sysinitUpgrade mozilla-nss-certs-32bitUpgrade libfreebl3Upgrade MozillaThunderbird-buildsymbolsUpgrade mozilla-nss-certsUpgrade MozillaThunderbirdUpgrade xulrunner-buildsymbolsUpgrade MozillaThunderbird-develUpgrade MozillaFirefox-develUpgrade seamonkey-venkmanUpgrade libsoftokn3-32bitUpgrade mozilla-jsUpgrade mozilla-nspr-develUpgrade mozilla-nss-sysinit-32bitUpgrade mozilla-nss-develUpgrade mozilla-nss-32bitUpgrade seamonkey-translations-commonUpgrade mozillafirefox-buildsymbolsUpgrade libsoftokn3Upgrade enigmailUpgrade seamonkey-translations-otherUpgrade xulrunner-develUpgrade MozillaFirefoxUpgrade seamonkey-ircUpgrade seamonkey-dom-inspectorUpgrade libfreebl3-32bitUpgrade mozilla-js-32bitUpgrade MozillaFirefox-translationsUpgrade mozilla-nss-toolsUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-common | Feb 17, 2015 | Aug 6, 2013 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Nov 8, 2024 | Aug 7, 2013 |
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