CVE-1999-0006: Qualcomm Qpopper

Critical severity, CVSS 9.8. EPSS: 12.1% chance of exploitation in the next 30 days.

Buffer overflow in POP servers based on BSD/Qualcomm's qpopper allows remote attackers to gain root access using a long PASS command.

Affected products

• Qualcomm Qpopper: version 2.4 only

Published 1998-07-14. Last modified 2026-06-16.