If a malicious site repeatedly triggers a modal authentication prompt, eventually the browser UI will become non-responsive, requiring shutdown through the operating system. This is a denial of service (DOS) attack. This vulnerability affects Firefox < 52 and Thunderbird < 52.
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 | Jun 11, 2018 |
| Freebsd | — | Upgrade linux-thunderbirdUpgrade libxulUpgrade linux-firefoxUpgrade firefoxUpgrade firefox-esrUpgrade seamonkeyUpgrade linux-seamonkeyUpgrade thunderbird | Mar 8, 2017 | Mar 7, 2017 |
| Mfsa2017 05 | — | Upgrade to Mozilla Firefox version 52.0Upgrade to the latest version of Mozilla Firefox | Mar 8, 2017 | Mar 7, 2017 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 52.0 | Apr 11, 2017 | Apr 5, 2017 |
| Oracle Solaris | — | Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 52.2.0-0.175.3.22.0.3.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 52.2.0-0.175.3.22.0.2.0 on Solaris 11.3Upgrade mail/thunderbird to version 52.2.0-0.175.3.22.0.3.0 on Solaris 11.3Upgrade web/browser/firefox/plugin/firefox-java to version 52.2.0-0.175.3.22.0.2.0 on Solaris 11.3Upgrade web/browser/firefox to version 52.2.0-0.175.3.22.0.2.0 on Solaris 11.3 | Jul 19, 2017 | Jul 19, 2017 |
| Suse | — | Upgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbird-develUpgrade MozillaThunderbird-buildsymbolsUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-common | Mar 15, 2017 | Mar 7, 2017 |
| Ubuntu | — | Upgrade firefox | Mar 8, 2017 | Mar 7, 2017 |
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