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 | freebsd-upgrade-package-firefox | Jul 5, 2025 | Jul 4, 2025 | |
| Mfsa2025 51 | mozilla-firefox-upgrade-140_0 | Jun 25, 2025 | Jun 24, 2025 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-140_0 | Jul 3, 2025 | Jun 24, 2025 | |
| Suse | — | suse-upgrade-gstreamer-plugin-pipewiresuse-upgrade-libpipewire-0_3-0suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-branding-slesuse-upgrade-mozillafirefox-branding-upstreamsuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-othersuse-upgrade-mozillathunderbirdsuse-upgrade-mozillathunderbird-translations-commonsuse-upgrade-mozillathunderbird-translations-othersuse-upgrade-pipewiresuse-upgrade-pipewire-langsuse-upgrade-pipewire-modulessuse-upgrade-pipewire-modules-0_3suse-upgrade-pipewire-spa-plugins-0_2suse-upgrade-pipewire-spa-toolssuse-upgrade-pipewire-toolssuse-upgrade-xdg-desktop-portalsuse-upgrade-xdg-desktop-portal-develsuse-upgrade-xdg-desktop-portal-lang | Jul 22, 2025 | Jun 24, 2025 |
| Ubuntu | ubuntu-upgrade-thunderbird | Jun 26, 2025 | Jun 24, 2025 |
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