CVE-1999-0163: Eric Allman Sendmail

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

In older versions of Sendmail, an attacker could use a pipe character to execute root commands.

Affected products

• Eric Allman Sendmail: any version

Published 1997-01-01. Last modified 2026-06-16.