Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. 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 138, Firefox ESR 128.10, Thunderbird 138, and Thunderbird 128.10.
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 | May 13, 2025 | Apr 29, 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 | May 30, 2025 | Apr 29, 2025 | |
| Amazon_linux_2023 | amazon-linux-2023-upgrade-firefoxamazon-linux-2023-upgrade-firefox-debuginfoamazon-linux-2023-upgrade-firefox-debugsource | Jun 3, 2025 | Apr 29, 2025 | |
| Debian | debian-upgrade-firefox-esrdebian-upgrade-thunderbird | May 2, 2025 | Apr 29, 2025 | |
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-thunderbird | May 15, 2025 | May 14, 2025 | |
| Mfsa2025 28 | mozilla-firefox-upgrade-138_0 | Apr 30, 2025 | Apr 29, 2025 | |
| Mfsa2025 29 | mozilla-firefox-esr-upgrade-128_10 | Apr 30, 2025 | Apr 29, 2025 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-128_10 | Apr 30, 2025 | Apr 29, 2025 | |
| Oracle_linux | — | oracle-linux-upgrade-firefoxoracle-linux-upgrade-firefox-x11oracle-linux-upgrade-thunderbird | May 6, 2025 | Apr 29, 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 | May 6, 2025 | Apr 29, 2025 | |
| Rocky_linux | rocky-upgrade-firefoxrocky-upgrade-firefox-debuginforocky-upgrade-firefox-debugsourcerocky-upgrade-firefox-x11rocky-upgrade-thunderbirdrocky-upgrade-thunderbird-debuginforocky-upgrade-thunderbird-debugsource | Jul 31, 2025 | Jul 29, 2025 | |
| Suse | — | suse-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-other | May 5, 2025 | Apr 29, 2025 |
| Ubuntu | ubuntu-upgrade-thunderbird | Jun 26, 2025 | Apr 29, 2025 |
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