CVE-2006-0236: Mozilla Thunderbird

Medium severity, CVSS 5.1. EPSS: 2.1% chance of exploitation in the next 30 days.

GUI display truncation vulnerability in Mozilla Thunderbird 1.0.2, 1.0.6, and 1.0.7 allows user-assisted attackers to execute arbitrary code via an attachment with a filename containing a large number of spaces ending with a dangerous extension that is not displayed by Thunderbird, along with an inconsistent Content-Type header, which could be used to trick a user into downloading dangerous content by dragging or saving the attachment.

Affected products

• Mozilla Thunderbird: version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.5 only; version 1.0.6 only; version 1.0.7 only; …

Published 2006-01-18. Last modified 2026-06-16.