If the source for resources on a page is through an FTP connection, it is possible to trigger a series of modal alert messages for these resources through invalid credentials or locations. These messages cannot be immediately dismissed, allowing for a denial of service (DOS) attack. This vulnerability affects Firefox < 66.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| 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 waterfoxUpgrade libxulUpgrade linux-thunderbirdUpgrade firefox-esrUpgrade thunderbirdUpgrade seamonkeyUpgrade linux-firefoxUpgrade linux-seamonkey | 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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