When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.
CVSS Details
- CVSS 3.1 Base Score: 5.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-thunderbirdamazon-linux-ami-2-upgrade-thunderbird-debuginfo | Apr 2, 2025 | Mar 10, 2025 | |
| Debian | debian-upgrade-thunderbird | Mar 12, 2025 | Mar 10, 2025 | |
| Gentoo Linux | gentoo-linux-upgrade-mail-client-thunderbirdgentoo-linux-upgrade-mail-client-thunderbird-bin | May 13, 2025 | Mar 10, 2025 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-128_8 | Mar 11, 2025 | Mar 4, 2025 | |
| Redhat_linux | no-fix-redhat-rpm-package | Jul 9, 2025 | Mar 10, 2025 | |
| Suse | — | suse-upgrade-mozillathunderbirdsuse-upgrade-mozillathunderbird-translations-commonsuse-upgrade-mozillathunderbird-translations-other | Dec 5, 2025 | Mar 12, 2025 |
| Ubuntu | ubuntu-upgrade-thunderbird | Jul 23, 2025 | Mar 10, 2025 |
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