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A vulnerability exists during authorization prompting for FTP transaction where successive modal prompts are displayed and cannot be immediately dismissed. This allows for a denial of service (DOS) attack. This vulnerability affects Firefox < 66.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Apr 26, 2019 |
| Freebsd | — | Upgrade firefoxUpgrade thunderbirdUpgrade linux-seamonkeyUpgrade seamonkeyUpgrade libxulUpgrade linux-thunderbirdUpgrade linux-firefoxUpgrade waterfoxUpgrade firefox-esr | Mar 20, 2019 | Mar 19, 2019 |
| Mfsa2019 07 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 66.0 | Mar 20, 2019 | Mar 19, 2019 |
| Ubuntu | — | Upgrade firefox | Apr 1, 2019 | Mar 19, 2019 |
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