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A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Apr 16, 2019 | Oct 18, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Oct 18, 2018 |
| Centos_linux | — | Upgrade firefoxUpgrade firefox-debuginfo | Oct 11, 2018 | Oct 2, 2018 |
| Debian | — | Upgrade firefox-esr | Oct 4, 2018 | Oct 2, 2018 |
| Freebsd | — | Upgrade waterfoxUpgrade linux-firefoxUpgrade thunderbirdUpgrade linux-seamonkeyUpgrade firefoxUpgrade seamonkeyUpgrade linux-thunderbirdUpgrade libxulUpgrade firefox-esr | Oct 3, 2018 | Oct 2, 2018 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin. | Oct 3, 2018 | Oct 2, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade firefox | Nov 8, 2018 | Oct 18, 2018 |
| Huawei Euleros 2_0_sp3 | — | Upgrade firefox | Nov 8, 2018 | Oct 18, 2018 |
| Mfsa2018 24 | — | Upgrade to Mozilla Firefox ESR version 60.2.2Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 62.0.3 | Oct 3, 2018 | Oct 2, 2018 |
| Oracle Solaris | — | Upgrade web/data/firefox-bookmarks to version 60.5.0-11.4.6.0.1.4.0 on Solaris 11.4Upgrade mail/thunderbird to version 68.6.0-11.4.21.0.1.69.0 on Solaris 11.4Upgrade web/browser/firefox to version 60.5.0-11.4.6.0.1.4.0 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 68.6.0-11.4.21.0.1.69.0 on Solaris 11.4 | Feb 20, 2019 | Oct 18, 2018 |
| Oracle_linux | — | Upgrade firefox | Nov 2, 2018 | Oct 2, 2018 |
| Redhat_linux | — | Upgrade firefoxUpgrade firefox-debuginfo | Oct 9, 2018 | Oct 8, 2018 |
| Suse | — | Upgrade libsoftokn3-hmacUpgrade MozillaFirefox-translations-commonUpgrade mozilla-nspr-develUpgrade libfreebl3Upgrade mozilla-nss-sysinitUpgrade mozilla-nsprUpgrade mozilla-nspr-32bitUpgrade libfreebl3-32bitUpgrade mozillafirefox-buildsymbolsUpgrade mozillafirefox-branding-upstreamUpgrade mozillafirefox-branding-sleUpgrade mozilla-nssUpgrade libfreebl3-hmacUpgrade mozilla-nss-sysinit-32bitUpgrade apache2-mod_nssUpgrade mozilla-nss-certsUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefoxUpgrade libsoftokn3Upgrade libfreebl3-hmac-32bitUpgrade mozilla-nss-toolsUpgrade mozilla-nss-certs-32bitUpgrade MozillaFirefox-develUpgrade mozilla-nss-develUpgrade libsoftokn3-hmac-32bitUpgrade mozilla-nss-32bitUpgrade libsoftokn3-32bit | Oct 5, 2018 | Oct 2, 2018 |
| Ubuntu | — | Upgrade firefox | Oct 16, 2018 | Oct 2, 2018 |
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