A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 11, 2018 |
| Centos_linux | — | Upgrade firefoxUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefox-debuginfo | Apr 21, 2017 | Apr 20, 2017 |
| Freebsd | — | Upgrade libxulUpgrade linux-firefoxUpgrade linux-thunderbirdUpgrade firefoxUpgrade thunderbirdUpgrade seamonkeyUpgrade firefox-esrUpgrade linux-seamonkey | Apr 20, 2017 | Apr 19, 2017 |
| Mfsa2017 10 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 53.0 | Jul 12, 2018 | Jun 11, 2018 |
| Mfsa2017 12 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 52.1 | Apr 20, 2017 | Apr 19, 2017 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 52.1Upgrade to the latest version of Mozilla Thunderbird | May 2, 2017 | Apr 30, 2017 |
| Oracle Solaris | — | Upgrade entire/ to version 11.4-11.4.0.0.1.15.0 on Solaris 11.4 | Oct 19, 2018 | Jun 11, 2018 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Apr 20, 2017 | Apr 19, 2017 |
| Redhat_linux | — | Upgrade firefoxUpgrade thunderbirdNo solution existsUpgrade firefox-debuginfoUpgrade thunderbird-debuginfo | Apr 20, 2017 | Apr 20, 2017 |
| Suse | — | Upgrade MozillaThunderbird-develUpgrade MozillaThunderbird-translations-commonUpgrade mozillafirefox-branding-sleUpgrade MozillaThunderbirdUpgrade MozillaFirefox-translationsUpgrade MozillaThunderbird-debugsourceUpgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-otherUpgrade MozillaThunderbird-debuginfoUpgrade MozillaThunderbird-buildsymbolsUpgrade MozillaFirefox-devel | May 6, 2017 | Apr 20, 2017 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Apr 21, 2017 | Apr 20, 2017 |
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