CVE-2010-0163: Mozilla Seamonkey

Medium severity, CVSS 4.3. EPSS: 3.2% chance of exploitation in the next 30 days.

Mozilla Thunderbird before 2.0.0.24 and SeaMonkey before 1.1.19 process e-mail attachments with a parser that performs casts and line termination incorrectly, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted message, related to message indexing.

Affected products

• Mozilla Seamonkey: up to and including 1.1.18; version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; …
• Mozilla Thunderbird: up to and including 2.0.0.23; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; …

Published 2010-03-23. Last modified 2026-06-16.