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 firefox-esrUpgrade mozjs68Upgrade mozjs60 | Aug 22, 2024 | Jul 23, 2019 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade thunderbird | 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 thunderbird-debugsourceUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefox-debugsourceUpgrade firefox-debuginfo | Jul 3, 2019 | Jun 18, 2019 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Jun 19, 2019 | Jun 19, 2019 |
| Freebsd | — | Upgrade thunderbirdUpgrade firefoxUpgrade waterfoxUpgrade firefox-esr | Jun 21, 2019 | Jun 21, 2019 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade www-client/firefox. | 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 ESR version 60.7.1Upgrade to Mozilla Firefox version 67.0.3Upgrade to the latest version of Mozilla Firefox | Jun 19, 2019 | Jun 18, 2019 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 60.7.2 | Jun 21, 2019 | Jun 20, 2019 |
| Oracle Solaris | — | Upgrade 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 11.4Upgrade web/data/firefox-bookmarks 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 firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debugsource | Jun 26, 2019 | Jun 25, 2019 |
| Suse | — | Upgrade MozillaThunderbird-translations-otherUpgrade mozillafirefox-buildsymbolsUpgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbirdUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefoxUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-buildsymbolsUpgrade MozillaFirefox-translations-other | Jun 25, 2019 | Jun 18, 2019 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Jun 20, 2019 | Jun 18, 2019 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub