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By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade thunderbird | Aug 22, 2024 | May 22, 2020 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade thunderbird | May 22, 2020 | May 22, 2020 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | May 22, 2020 |
| Centos_linux | — | Upgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade thunderbird-debuginfo | May 12, 2020 | May 11, 2020 |
| Debian | — | Upgrade thunderbird | May 11, 2020 | May 11, 2020 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird. | Jun 15, 2020 | May 22, 2020 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 68.8 | May 6, 2020 | May 5, 2020 |
| Oracle Solaris | — | Upgrade mail/thunderbird to version 68.8.0-11.4.22.0.1.69.2 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 68.8.0-11.4.22.0.1.69.2 on Solaris 11.4 | Jan 19, 2021 | May 22, 2020 |
| Oracle_linux | — | Upgrade thunderbird | Jun 19, 2020 | May 5, 2020 |
| Redhat_linux | — | Upgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoNo solution exists | May 12, 2020 | May 11, 2020 |
| Suse | — | Upgrade MozillaThunderbird-translations-otherUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-common | May 10, 2020 | May 10, 2020 |
| Ubuntu | — | Upgrade thunderbird | May 27, 2020 | May 10, 2020 |
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