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 firefox-esrUpgrade firefoxUpgrade thunderbirdUpgrade thunderbird-esr | Jul 25, 2025 | Jul 24, 2025 |
| Mfsa2025 56 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 141.0 | Jul 23, 2025 | Jul 22, 2025 |
| Mfsa2025 59 | — | Upgrade to Mozilla Firefox ESR version 140.1Upgrade to the latest version of Mozilla Firefox | Jul 23, 2025 | Jul 22, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 140.1 | Jul 23, 2025 | Jul 22, 2025 |
| Suse | — | Upgrade pipewireUpgrade MozillaFirefox-develUpgrade pipewire-spa-toolsUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-otherUpgrade mozillafirefox-branding-upstreamUpgrade gstreamer-plugin-pipewireUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-translations-commonUpgrade xdg-desktop-portal-develUpgrade pipewire-toolsUpgrade xdg-desktop-portalUpgrade pipewire-modules-0_3Upgrade pipewire-langUpgrade xdg-desktop-portal-langUpgrade mozillafirefox-branding-sleUpgrade MozillaFirefoxUpgrade pipewire-modulesUpgrade MozillaThunderbird-translations-commonUpgrade libpipewire-0_3-0Upgrade pipewire-spa-plugins-0_2 | Dec 5, 2025 | Jul 25, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jul 24, 2025 | Jul 22, 2025 |
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