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A mechanism to bypass Content Security Policy (CSP) protections on sites that have a "script-src" policy of "'strict-dynamic'". If a target website contains an HTML injection flaw an attacker could inject a reference to a copy of the "require.js" library that is part of Firefox's Developer Tools, and then use a known technique using that library to bypass the CSP restrictions on executing injected scripts. This vulnerability affects Firefox < 60.
| 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 firefox-esrUpgrade firefoxUpgrade linux-seamonkeyUpgrade thunderbirdUpgrade linux-firefoxUpgrade seamonkeyUpgrade waterfoxUpgrade libxul | May 10, 2018 | May 9, 2018 |
| Mfsa2018 11 | — | Upgrade to Mozilla Firefox version 60.0Upgrade to the latest version of Mozilla Firefox | May 10, 2018 | May 9, 2018 |
| Suse | — | Upgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-develUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-other | May 20, 2018 | May 9, 2018 |
| Ubuntu | — | Upgrade firefox | May 22, 2018 | May 9, 2018 |
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