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 firefox-esrUpgrade firefoxUpgrade thunderbird | 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 the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 140.1 | Jul 23, 2025 | Jul 22, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 140.1Upgrade to the latest version of Mozilla Thunderbird | Jul 23, 2025 | Jul 22, 2025 |
| Suse | — | Upgrade libpipewire-0_3-0Upgrade pipewire-spa-plugins-0_2Upgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-commonUpgrade mozillafirefox-branding-sleUpgrade pipewire-modulesUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbirdUpgrade xdg-desktop-portal-develUpgrade pipewire-toolsUpgrade pipewire-modules-0_3Upgrade xdg-desktop-portal-langUpgrade pipewire-spa-toolsUpgrade pipewireUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-otherUpgrade pipewire-langUpgrade xdg-desktop-portalUpgrade MozillaFirefox-develUpgrade mozillafirefox-branding-upstreamUpgrade gstreamer-plugin-pipewire | Dec 5, 2025 | Jul 25, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jul 24, 2025 | Jul 22, 2025 |
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