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 thunderbird-esrUpgrade firefoxUpgrade firefox-esrUpgrade 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-modules-0_3Upgrade MozillaFirefox-develUpgrade xdg-desktop-portal-develUpgrade MozillaFirefox-translations-commonUpgrade pipewire-toolsUpgrade mozillafirefox-branding-upstreamUpgrade pipewireUpgrade pipewire-spa-toolsUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-otherUpgrade MozillaThunderbirdUpgrade gstreamer-plugin-pipewireUpgrade pipewire-langUpgrade xdg-desktop-portalUpgrade xdg-desktop-portal-langUpgrade pipewire-modulesUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefoxUpgrade libpipewire-0_3-0Upgrade pipewire-spa-plugins-0_2Upgrade mozillafirefox-branding-sle | Dec 5, 2025 | Jul 25, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jul 24, 2025 | Jul 22, 2025 |
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