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Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade firefox | Aug 6, 2016 | Aug 3, 2016 |
| Debian | — | Upgrade firefox-esr | Aug 6, 2016 | Aug 3, 2016 |
| Freebsd | — | Upgrade libxulUpgrade linux-firefoxUpgrade linux-thunderbirdUpgrade linux-seamonkeyUpgrade firefoxUpgrade thunderbirdUpgrade firefox-esrUpgrade seamonkey | Dec 10, 2025 | Sep 7, 2016 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin.Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin. | Oct 30, 2017 | Aug 4, 2016 |
| Mfsa2016 73 | — | Upgrade to Mozilla Firefox version 48.0Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 45.3 | Aug 3, 2016 | Aug 2, 2016 |
| Oracle Solaris | — | Upgrade developer/yasm to version 1.3.0-0.175.3.14.0.2.0 on Solaris 11.3Upgrade mail/thunderbird to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 45.4.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade web/browser/firefox to version 45.4.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3 | May 29, 2017 | Aug 4, 2016 |
| Oracle_linux | — | Upgrade firefox | Aug 6, 2016 | Aug 2, 2016 |
| Redhat_linux | — | Upgrade firefoxUpgrade firefox-debuginfo | Aug 3, 2016 | Aug 3, 2016 |
| Suse | — | Upgrade mozilla-nspr-32bitUpgrade MozillaFirefox-translationsUpgrade libfreebl3-32bitUpgrade MozillaThunderbird-buildsymbolsUpgrade libfreebl3Upgrade firefox-fontconfigUpgrade mozilla-nss-32bitUpgrade mozilla-nsprUpgrade MozillaFirefoxUpgrade mozilla-nss-toolsUpgrade mozilla-nspr-develUpgrade MozillaThunderbird-translations-otherUpgrade mozilla-nssUpgrade MozillaFirefox-branding-SLEDUpgrade MozillaThunderbird-develUpgrade MozillaThunderbirdUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-commonUpgrade mozilla-nss-devel | Aug 22, 2016 | Aug 4, 2016 |
| Ubuntu | — | Upgrade firefox | Aug 6, 2016 | Aug 4, 2016 |
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