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When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade thunderbirdUpgrade firefox-x11Upgrade firefox | May 22, 2024 | May 14, 2024 |
| Amazon Linux Ami 2 | — | Upgrade firefox-debuginfoUpgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox | Jun 12, 2024 | May 14, 2024 |
| Centos_linux | — | Upgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefox | May 17, 2024 | May 14, 2024 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | May 17, 2024 | May 14, 2024 |
| Mfsa2024 21 | — | Upgrade to Mozilla Firefox version 126.0Upgrade to the latest version of Mozilla Firefox | May 15, 2024 | May 14, 2024 |
| Mfsa2024 22 | — | Upgrade to Mozilla Firefox ESR version 115.11Upgrade to the latest version of Mozilla Firefox | May 15, 2024 | May 14, 2024 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 115.11 | May 15, 2024 | May 15, 2024 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade thunderbirdUpgrade firefox | May 17, 2024 | May 14, 2024 |
| Redhat_linux | — | Upgrade firefox-x11Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbirdNo solution existsUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade thunderbird-debugsource | May 17, 2024 | May 14, 2024 |
| Rocky_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade firefox-debugsource | Jun 17, 2024 | May 14, 2024 |
| Suse | — | Upgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbirdUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-translations-other | May 20, 2024 | May 14, 2024 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | May 28, 2024 | May 14, 2024 |
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