When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `<embed>` or `<object>` tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.
CVSS Details
- CVSS 3.1 Base Score: 6.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | Jul 2, 2025 | Jun 24, 2025 |
| Amazon Linux Ami 2 | — | Upgrade firefox-debuginfoUpgrade firefox | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade firefox | Jul 11, 2025 | Jun 24, 2025 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Jun 26, 2025 | Jun 24, 2025 |
| 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 |
| Mfsa2025 53 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 128.12 | 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 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade firefox | Jul 3, 2025 | Jun 24, 2025 |
| Redhat_linux | — | No solution existsUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefox-x11Upgrade thunderbird-debugsourceUpgrade firefoxUpgrade thunderbird | Jul 2, 2025 | Jun 24, 2025 |
| Rocky_linux | — | Upgrade firefox-debugsourceUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade firefox-x11 | Feb 5, 2026 | Jul 29, 2025 |
| Suse | — | Upgrade pipewire-langUpgrade xdg-desktop-portal-langUpgrade pipewire-spa-toolsUpgrade xdg-desktop-portalUpgrade pipewire-spa-plugins-0_2Upgrade gstreamer-plugin-pipewireUpgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-commonUpgrade pipewireUpgrade pipewire-toolsUpgrade pipewire-modulesUpgrade mozillafirefox-branding-sleUpgrade xdg-desktop-portal-develUpgrade pipewire-modules-0_3Upgrade libpipewire-0_3-0Upgrade MozillaThunderbirdUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox | Jun 27, 2025 | Jun 24, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | Jun 24, 2025 |
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