Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.
CVSS Details
- CVSS 3.1 Base Score: 8.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | alma-upgrade-firefoxalma-upgrade-firefox-x11alma-upgrade-thunderbird | Apr 7, 2025 | Apr 1, 2025 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-firefoxamazon-linux-ami-2-upgrade-firefox-debuginfoamazon-linux-ami-2-upgrade-thunderbirdamazon-linux-ami-2-upgrade-thunderbird-debuginfo | Apr 30, 2025 | Apr 1, 2025 | |
| Amazon_linux_2023 | amazon-linux-2023-upgrade-firefoxamazon-linux-2023-upgrade-firefox-debuginfoamazon-linux-2023-upgrade-firefox-debugsource | Apr 30, 2025 | Apr 1, 2025 | |
| Debian | debian-upgrade-firefox-esrdebian-upgrade-thunderbird | Apr 4, 2025 | Apr 1, 2025 | |
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-firefox-esr | Apr 9, 2025 | Apr 7, 2025 | |
| Gentoo Linux | gentoo-linux-upgrade-dev-lang-spidermonkeygentoo-linux-upgrade-mail-client-thunderbirdgentoo-linux-upgrade-mail-client-thunderbird-bingentoo-linux-upgrade-www-client-firefoxgentoo-linux-upgrade-www-client-firefox-bin | May 13, 2025 | Apr 1, 2025 | |
| Mfsa2025 20 | mozilla-firefox-upgrade-137_0 | Apr 2, 2025 | Apr 1, 2025 | |
| Mfsa2025 22 | mozilla-firefox-esr-upgrade-128_9 | Apr 2, 2025 | Apr 1, 2025 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-128_9 | Apr 2, 2025 | Apr 1, 2025 | |
| Oracle_linux | — | oracle-linux-upgrade-firefoxoracle-linux-upgrade-firefox-x11oracle-linux-upgrade-thunderbird | Apr 4, 2025 | Apr 1, 2025 |
| Redhat_linux | no-fix-redhat-rpm-packageredhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-firefox-x11redhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource | Apr 4, 2025 | Apr 1, 2025 | |
| Rocky_linux | rocky-upgrade-firefoxrocky-upgrade-firefox-debuginforocky-upgrade-firefox-debugsourcerocky-upgrade-thunderbirdrocky-upgrade-thunderbird-debuginforocky-upgrade-thunderbird-debugsource | Jul 31, 2025 | Jul 29, 2025 | |
| Suse | — | suse-upgrade-libmozjs-128-0suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-branding-upstreamsuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-othersuse-upgrade-mozillathunderbirdsuse-upgrade-mozillathunderbird-translations-commonsuse-upgrade-mozillathunderbird-translations-othersuse-upgrade-mozjs128suse-upgrade-mozjs128-devel | Apr 3, 2025 | Apr 1, 2025 |
| Ubuntu | ubuntu-upgrade-thunderbird | Jun 26, 2025 | Apr 1, 2025 |
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