When Multi-Account Containers was enabled, DNS requests could have bypassed a SOCKS proxy when the domain name was invalid or the SOCKS proxy was not responding. This vulnerability was fixed in Firefox 140 and Thunderbird 140.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade firefox | Jul 5, 2025 | Jul 4, 2025 |
| Mfsa2025 51 | — | Upgrade to Mozilla Firefox version 140.0Upgrade to the latest version of Mozilla Firefox | Jun 25, 2025 | Jun 24, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 140.0Upgrade to the latest version of Mozilla Thunderbird | Jul 3, 2025 | Jun 24, 2025 |
| Suse | — | Upgrade pipewire-spa-toolsUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbird-translations-otherUpgrade pipewireUpgrade mozillafirefox-branding-sleUpgrade xdg-desktop-portal-langUpgrade pipewire-modulesUpgrade xdg-desktop-portal-develUpgrade pipewire-langUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-translations-commonUpgrade pipewire-spa-plugins-0_2Upgrade libpipewire-0_3-0Upgrade pipewire-toolsUpgrade pipewire-modules-0_3Upgrade xdg-desktop-portalUpgrade MozillaFirefox-develUpgrade gstreamer-plugin-pipewireUpgrade MozillaThunderbird | Jul 22, 2025 | Jun 24, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | Jun 24, 2025 |
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