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 | arch-linux-upgrade-latest | Jul 11, 2025 | Jun 11, 2018 | |
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-seamonkeyfreebsd-upgrade-package-linux-seamonkeyfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-linux-firefoxfreebsd-upgrade-package-libxulfreebsd-upgrade-package-thunderbirdfreebsd-upgrade-package-linux-thunderbird | Mar 8, 2017 | Mar 7, 2017 | |
| Mfsa2017 05 | mozilla-firefox-upgrade-52_0 | Mar 8, 2017 | Mar 7, 2017 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-52_0 | Apr 11, 2017 | Apr 5, 2017 | |
| Oracle Solaris | oracle-solaris-11-3-upgrade-mail-thunderbird-52-2-0-0-175-3-22-0-3-0oracle-solaris-11-3-upgrade-mail-thunderbird-plugin-thunderbird-lightning-52-2-0-0-175-3-22-0-3-0oracle-solaris-11-3-upgrade-web-browser-firefox-52-2-0-0-175-3-22-0-2-0oracle-solaris-11-3-upgrade-web-browser-firefox-plugin-firefox-java-52-2-0-0-175-3-22-0-2-0oracle-solaris-11-3-upgrade-web-data-firefox-bookmarks-52-2-0-0-175-3-22-0-2-0 | Jul 19, 2017 | Jul 19, 2017 | |
| Suse | — | suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-othersuse-upgrade-mozillathunderbirdsuse-upgrade-mozillathunderbird-buildsymbolssuse-upgrade-mozillathunderbird-develsuse-upgrade-mozillathunderbird-translations-commonsuse-upgrade-mozillathunderbird-translations-other | Mar 15, 2017 | Mar 7, 2017 |
| Ubuntu | ubuntu-upgrade-firefox | Mar 8, 2017 | Mar 7, 2017 |
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