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Content Security Policy combined with HTTP to HTTPS redirection can be used by malicious server to verify whether a known site is within a user's browser history. This vulnerability affects Firefox < 50.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 11, 2018 |
| Freebsd | — | Upgrade linux-thunderbirdUpgrade libxulUpgrade thunderbirdUpgrade firefox-esrUpgrade linux-firefoxUpgrade linux-seamonkeyUpgrade firefoxUpgrade seamonkey | Nov 16, 2016 | Nov 16, 2016 |
| Mfsa2016 89 | — | Upgrade to Mozilla Firefox version 50.0Upgrade to the latest version of Mozilla Firefox | Jul 12, 2018 | Jun 11, 2018 |
| Suse | — | Upgrade MozillaFirefox-translations-otherUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-devel | Nov 19, 2016 | Nov 15, 2016 |
| Ubuntu | — | Upgrade firefox | Nov 19, 2016 | Nov 15, 2016 |
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