Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade thunderbirdUpgrade firefox-esrUpgrade firefoxUpgrade thunderbird-esr | 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 mozillathunderbird-translations-commonUpgrade pipewireUpgrade xdg-desktop-portal-langUpgrade xdg-desktop-portalUpgrade gstreamer-plugin-pipewireUpgrade pipewire-langUpgrade xdg-desktop-portal-develUpgrade pipewire-toolsUpgrade pipewire-modules-0_3Upgrade pipewire-spa-toolsUpgrade mozillafirefox-branding-upstreamUpgrade pipewire-spa-plugins-0_2Upgrade libpipewire-0_3-0Upgrade mozillafirefoxUpgrade pipewire-modulesUpgrade mozillafirefox-translations-otherUpgrade mozillathunderbird-translations-otherUpgrade mozillathunderbirdUpgrade mozillafirefox-develUpgrade mozillafirefox-translations-commonUpgrade mozillafirefox-branding-sle | Dec 5, 2025 | Jul 25, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jul 24, 2025 | Jul 22, 2025 |
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