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 firefoxUpgrade xulrunnerUpgrade thunderbirdUpgrade xulrunner-devel | Dec 1, 2016 | Aug 6, 2013 |
| Freebsd | — | Upgrade linux-firefoxUpgrade seamonkeyUpgrade linux-seamonkeyUpgrade linux-thunderbirdUpgrade thunderbirdUpgrade firefox | Dec 10, 2025 | Aug 8, 2013 |
| Gentoo Linux | — | Upgrade www-client/seamonkey.Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox.Upgrade www-client/seamonkey-bin.Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin. | 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 ESR version 17.0.8Upgrade to Mozilla Thunderbird 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 libsoftokn3Upgrade xulrunner-develUpgrade mozilla-nss-develUpgrade MozillaFirefoxUpgrade seamonkey-dom-inspectorUpgrade mozilla-nss-toolsUpgrade mozilla-jsUpgrade mozilla-nss-sysinit-32bitUpgrade mozilla-nspr-develUpgrade MozillaFirefox-translations-commonUpgrade libsoftokn3-32bitUpgrade seamonkey-ircUpgrade MozillaFirefox-translationsUpgrade libfreebl3-32bitUpgrade mozillafirefox-buildsymbolsUpgrade mozilla-js-32bitUpgrade seamonkey-translations-commonUpgrade enigmailUpgrade seamonkey-translations-otherUpgrade mozilla-nss-32bitUpgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbird-buildsymbolsUpgrade xulrunner-32bitUpgrade mozilla-nss-certsUpgrade xulrunnerUpgrade MozillaFirefox-translations-otherUpgrade mozilla-nss-sysinitUpgrade libfreebl3Upgrade MozillaThunderbird-translations-otherUpgrade xulrunner-buildsymbolsUpgrade mozilla-nssUpgrade MozillaThunderbird-develUpgrade seamonkey-venkmanUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-branding-SLEDUpgrade mozilla-nsprUpgrade mozilla-nss-certs-32bitUpgrade MozillaThunderbirdUpgrade mozilla-nspr-32bitUpgrade seamonkeyUpgrade MozillaFirefox-devel | Feb 17, 2015 | Aug 6, 2013 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Nov 8, 2024 | Aug 7, 2013 |
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