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CVE-2026-3889

Thunderbird

Description

Spoofing issue in Thunderbird. This vulnerability affects Thunderbird < 149 and Thunderbird < 140.9.

CVSS 6.5EPSS 0.202%Risk 0.66
View source
Published
2026-03-24 21:16:29
Affected versions
<149,<140.9
Type
Installed app
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N