Memory safety bugs present in Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade thunderbird-esrUpgrade firefox-esrUpgrade firefoxUpgrade thunderbird | Jul 25, 2025 | Jul 24, 2025 |
| Mfsa2025 56 | — | Upgrade to Mozilla Firefox version 141.0 | Jul 23, 2025 | Jul 22, 2025 |
| Mfsa2025 59 | — | Upgrade to Mozilla Firefox ESR version 140.1 | Jul 23, 2025 | Jul 22, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 140.1 | Jul 23, 2025 | Jul 22, 2025 |
| Suse | — | Upgrade pipewire-langUpgrade pipewire-spa-toolsUpgrade xdg-desktop-portal-langUpgrade pipewire-toolsUpgrade xdg-desktop-portal-develUpgrade gstreamer-plugin-pipewireUpgrade xdg-desktop-portalUpgrade mozillafirefox-develUpgrade pipewire-spa-plugins-0_2Upgrade mozillathunderbird-translations-commonUpgrade mozillafirefox-translations-otherUpgrade mozillafirefox-translations-commonUpgrade pipewireUpgrade pipewire-modules-0_3Upgrade pipewire-modulesUpgrade mozillafirefox-branding-upstreamUpgrade mozillafirefox-branding-sleUpgrade mozillafirefoxUpgrade mozillathunderbird-translations-otherUpgrade mozillathunderbirdUpgrade libpipewire-0_3-0 | Dec 5, 2025 | Jul 25, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jul 24, 2025 | Jul 22, 2025 |
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