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.
CVSS Details
- CVSS 3.1 Base Score: 8.6
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade firefox | Jul 5, 2025 | Jul 4, 2025 |
| Mfsa2025 51 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 140.0 | Jun 25, 2025 | Jun 24, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 140.0 | Jul 3, 2025 | Jun 24, 2025 |
| Suse | — | Upgrade pipewire-spa-toolsUpgrade MozillaFirefoxUpgrade pipewire-modulesUpgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbird-translations-otherUpgrade pipewire-langUpgrade mozillafirefox-branding-sleUpgrade xdg-desktop-portal-develUpgrade MozillaFirefox-translations-otherUpgrade xdg-desktop-portal-langUpgrade pipewireUpgrade pipewire-spa-plugins-0_2Upgrade pipewire-toolsUpgrade libpipewire-0_3-0Upgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbirdUpgrade gstreamer-plugin-pipewireUpgrade MozillaFirefox-develUpgrade pipewire-modules-0_3Upgrade xdg-desktop-portalUpgrade MozillaFirefox-translations-common | Jul 22, 2025 | Jun 24, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | Jun 24, 2025 |
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