CVE-1999-0098: Apple Appleshare

High severity, CVSS 10.0. EPSS: 3.1% chance of exploitation in the next 30 days.

Buffer overflow in SMTP HELO command in Sendmail allows a remote attacker to hide activities.

Affected products

• Apple Appleshare: affected versions not specified
• Pmail Mercury Mail Server: affected versions not specified
• Seattlelab Slmail: version 2.6 only

Published 1998-04-01. Last modified 2026-06-16.