A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade mozjs60Upgrade mozjs68Upgrade firefox-esr | Aug 22, 2024 | Jul 23, 2019 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfo | Apr 27, 2020 | Jul 23, 2019 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jul 23, 2019 |
| Centos_linux | — | Upgrade firefoxUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefox-debugsourceUpgrade firefox-debuginfo | Jul 3, 2019 | Jun 18, 2019 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Jun 19, 2019 | Jun 19, 2019 |
| Freebsd | — | Upgrade thunderbirdUpgrade firefox-esrUpgrade firefoxUpgrade waterfox | Jun 21, 2019 | Jun 21, 2019 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin. | Aug 16, 2019 | Jul 23, 2019 |
| Huawei Euleros 2_0_sp10 | — | Upgrade mozjs60 | Mar 13, 2024 | Jul 23, 2019 |
| Huawei Euleros 2_0_sp9 | — | Upgrade mozjs60 | Mar 13, 2024 | Jul 23, 2019 |
| Mfsa2019 18 | — | Upgrade to Mozilla Firefox version 67.0.3Upgrade to Mozilla Firefox ESR version 60.7.1Upgrade to the latest version of Mozilla Firefox | Jun 19, 2019 | Jun 18, 2019 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 60.7.2Upgrade to the latest version of Mozilla Thunderbird | Jun 21, 2019 | Jun 20, 2019 |
| Oracle Solaris | — | Upgrade web/data/firefox-bookmarks to version 60.7.2-11.4.11.0.1.3.0 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 60.7.2-11.4.11.0.1.3.0 on Solaris 11.4Upgrade web/browser/firefox to version 60.7.2-11.4.11.0.1.3.0 on Solaris 11.4Upgrade mail/thunderbird to version 60.7.2-11.4.11.0.1.3.0 on Solaris 11.4 | Jul 17, 2019 | Jul 17, 2019 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbird | Jun 26, 2019 | Jun 19, 2019 |
| Redhat_linux | — | Upgrade firefoxUpgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefox-debugsource | Jun 26, 2019 | Jun 25, 2019 |
| Suse | — | Upgrade MozillaFirefox-develUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-commonUpgrade mozillafirefox-buildsymbolsUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-buildsymbols | Jun 25, 2019 | Jun 18, 2019 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Jun 20, 2019 | Jun 18, 2019 |
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