Video files loaded video captions cross-origin without checking for the presence of CORS headers permitting such cross-origin use, leading to potential information disclosure for video captions. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Sep 20, 2017 | Mar 13, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 11, 2018 |
| Centos_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade firefox-debuginfo | Mar 9, 2017 | Mar 7, 2017 |
| Debian | — | Upgrade firefox-esrUpgrade icedove | Mar 11, 2017 | Mar 7, 2017 |
| Freebsd | — | Upgrade linux-thunderbirdUpgrade libxulUpgrade linux-seamonkeyUpgrade firefox-esrUpgrade thunderbirdUpgrade firefoxUpgrade seamonkeyUpgrade linux-firefox | Mar 8, 2017 | Mar 7, 2017 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird. | Oct 30, 2017 | May 9, 2017 |
| Mfsa2017 05 | — | Upgrade to Mozilla Firefox version 52.0Upgrade to the latest version of Mozilla Firefox | Mar 8, 2017 | Mar 7, 2017 |
| Mfsa2017 06 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 45.8 | Mar 8, 2017 | Mar 7, 2017 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 52.0Upgrade to the latest version of Mozilla Thunderbird | Mar 8, 2017 | Mar 7, 2017 |
| Oracle Solaris | — | Upgrade web/browser/firefox/plugin/firefox-java to version 45.8.0-0.175.3.19.0.2.0 on Solaris 11.3Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 45.8.0-0.175.3.20.0.2.0 on Solaris 11.3Upgrade web/browser/firefox to version 45.8.0-0.175.3.19.0.2.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 45.8.0-0.175.3.19.0.2.0 on Solaris 11.3Upgrade mail/thunderbird to version 45.8.0-0.175.3.20.0.3.0 on Solaris 11.3 | May 29, 2017 | May 29, 2017 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Mar 9, 2017 | Mar 7, 2017 |
| Redhat_linux | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbird | Mar 11, 2017 | Mar 7, 2017 |
| Suse | — | Upgrade MozillaFirefox-translations-commonUpgrade MozillaFirefoxUpgrade MozillaFirefox-translationsUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-develUpgrade MozillaThunderbird-buildsymbols | Mar 15, 2017 | Mar 7, 2017 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Mar 8, 2017 | Mar 7, 2017 |
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