Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
CVSS Details
- CVSS 3.1 Base Score: 4.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-x11 | May 30, 2025 | May 27, 2025 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird | Jun 12, 2025 | May 27, 2025 |
| Amazon_linux_2023 | — | Upgrade firefox-debugsourceUpgrade firefoxUpgrade firefox-debuginfo | Jun 11, 2025 | May 27, 2025 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | May 29, 2025 | May 27, 2025 |
| Freebsd | — | Upgrade firefoxUpgrade firefox-esr | Jun 7, 2025 | Jun 5, 2025 |
| Mfsa2025 42 | — | Upgrade to Mozilla Firefox version 139.0Upgrade to the latest version of Mozilla Firefox | May 28, 2025 | May 27, 2025 |
| Mfsa2025 44 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 128.11 | May 28, 2025 | May 27, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 128.11 | May 28, 2025 | May 27, 2025 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | May 30, 2025 | May 27, 2025 |
| Redhat_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-x11No solution existsUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade thunderbird-debugsource | May 30, 2025 | May 27, 2025 |
| Rocky_linux | — | Upgrade firefox-debugsourceUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade firefox-x11Upgrade thunderbirdUpgrade firefox | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-otherUpgrade MozillaThunderbirdUpgrade mozjs128-develUpgrade mozjs128Upgrade MozillaFirefox-develUpgrade mozillafirefox-branding-upstreamUpgrade libmozjs-128-0Upgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox | Jun 3, 2025 | May 27, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | May 27, 2025 |
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