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An issue where WebExtensions can use the mozAddonManager API to elevate privilege due to privileged pages being allowed in the permissions list. This allows a malicious extension to then install additional extensions without explicit user permission. 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-firefoxUpgrade seamonkeyUpgrade firefox-esrUpgrade linux-thunderbirdUpgrade thunderbirdUpgrade linux-seamonkeyUpgrade libxulUpgrade firefox | Nov 16, 2016 | Nov 16, 2016 |
| Mfsa2016 89 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 50.0 | Jul 12, 2018 | Jun 11, 2018 |
| Suse | — | Upgrade MozillaFirefoxUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-common | Nov 19, 2016 | Nov 15, 2016 |
| Ubuntu | — | Upgrade firefox | Nov 19, 2016 | Nov 15, 2016 |
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