A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. This vulnerability could allow an attacker to create an arbitrary value in compiled JavaScript, for which the range analysis will infer a fully controlled, incorrect range in circumstances where users have explicitly disabled Spectre mitigations. *Note: Spectre mitigations are currently enabled for all users by default settings.*. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-firefox-esr | Aug 22, 2024 | Apr 26, 2019 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-thunderbirdamazon-linux-ami-2-upgrade-thunderbird-debuginfo | Apr 27, 2020 | Apr 26, 2019 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Apr 26, 2019 | |
| Centos_linux | — | centos-upgrade-firefoxcentos-upgrade-firefox-debuginfocentos-upgrade-firefox-debugsourcecentos-upgrade-thunderbirdcentos-upgrade-thunderbird-debuginfocentos-upgrade-thunderbird-debugsource | Apr 1, 2019 | Mar 19, 2019 |
| Debian | debian-upgrade-firefox-esrdebian-upgrade-thunderbird | Mar 21, 2019 | Mar 21, 2019 | |
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-waterfoxfreebsd-upgrade-package-seamonkeyfreebsd-upgrade-package-linux-seamonkeyfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-linux-firefoxfreebsd-upgrade-package-libxulfreebsd-upgrade-package-thunderbirdfreebsd-upgrade-package-linux-thunderbird | Mar 20, 2019 | Mar 19, 2019 | |
| Gentoo Linux | gentoo-linux-upgrade-mail-client-thunderbirdgentoo-linux-upgrade-mail-client-thunderbird-bingentoo-linux-upgrade-www-client-firefoxgentoo-linux-upgrade-www-client-firefox-bin | Apr 3, 2019 | Apr 2, 2019 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-firefox | May 1, 2019 | Apr 26, 2019 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-firefox | May 30, 2019 | Apr 26, 2019 | |
| Huawei Euleros 2_0_sp9 | huawei-euleros-2_0_sp9-upgrade-mozjs60 | Feb 12, 2024 | Apr 26, 2019 | |
| Mfsa2019 07 | mozilla-firefox-upgrade-66_0 | Mar 20, 2019 | Mar 19, 2019 | |
| Mfsa2019 08 | mozilla-firefox-esr-upgrade-60_6 | Mar 20, 2019 | Mar 19, 2019 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-60_6 | Mar 26, 2019 | Mar 19, 2019 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-mail-thunderbird-60-6-1-11-4-9-0-1-2-0oracle-solaris-11-4-upgrade-mail-thunderbird-plugin-thunderbird-lightning-60-6-1-11-4-9-0-1-2-0oracle-solaris-11-4-upgrade-web-browser-firefox-60-6-0-11-4-8-0-1-3-0oracle-solaris-11-4-upgrade-web-data-firefox-bookmarks-60-6-0-11-4-8-0-1-3-0 | Apr 17, 2019 | Apr 17, 2019 | |
| Oracle_linux | — | oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird | Apr 1, 2019 | Mar 20, 2019 |
| Redhat_linux | redhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource | Mar 21, 2019 | Mar 20, 2019 | |
| Suse | — | suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-branding-upstreamsuse-upgrade-mozillafirefox-buildsymbolssuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-othersuse-upgrade-mozillathunderbirdsuse-upgrade-mozillathunderbird-buildsymbolssuse-upgrade-mozillathunderbird-translations-commonsuse-upgrade-mozillathunderbird-translations-other | Apr 1, 2019 | Mar 19, 2019 |
| Ubuntu | ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird | Apr 1, 2019 | Mar 19, 2019 |
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