CVE-2004-0666: Popclient

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

Off-by-one error in the POP3_readmsg function in popclient 3.0b6 allows remote attackers to cause a denial of service (application crash) via an e-mail message with a certain line length, which leads to a buffer overflow.

Affected products

• Popclient Popclient: version 3.0_b6 only

Published 2004-08-06. Last modified 2026-06-16.