URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Jun 11, 2018 | Jun 11, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 11, 2018 |
| Centos_linux | — | Upgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade thunderbird | Jan 27, 2017 | Jan 24, 2017 |
| Debian | — | Upgrade firefox-esrUpgrade icedove | Jan 27, 2017 | Jan 24, 2017 |
| Freebsd | — | Upgrade linux-thunderbirdUpgrade libxulUpgrade firefoxUpgrade linux-seamonkeyUpgrade thunderbirdUpgrade firefox-esrUpgrade linux-firefoxUpgrade seamonkey | Jan 25, 2017 | Jan 24, 2017 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird-bin. | Oct 30, 2017 | Feb 20, 2017 |
| Mfsa2017 01 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 51.0 | Jul 12, 2018 | Jun 11, 2018 |
| Mfsa2017 02 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 45.7 | Jan 25, 2017 | Jan 24, 2017 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 45.7 | Jan 27, 2017 | Jan 26, 2017 |
| Oracle Solaris | — | Upgrade web/browser/firefox to version 45.7.0-0.175.3.17.0.4.0 on Solaris 11.3Upgrade mail/thunderbird to version 45.7.1-0.175.3.18.0.3.0 on Solaris 11.3Upgrade web/browser/firefox/plugin/firefox-java to version 45.7.0-0.175.3.17.0.4.0 on Solaris 11.3Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 45.7.1-0.175.3.18.0.3.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 45.7.0-0.175.3.17.0.4.0 on Solaris 11.3 | May 29, 2017 | May 29, 2017 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Jan 26, 2017 | Jan 24, 2017 |
| Redhat_linux | — | Upgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird | Feb 3, 2017 | Jan 24, 2017 |
| Suse | — | Upgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translationsUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-buildsymbolsUpgrade MozillaThunderbird-develUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-common | Feb 2, 2017 | Jan 24, 2017 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Jan 28, 2017 | Jan 24, 2017 |
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