CVE-1999-0163: In older versions of Sendmail, an attacker could use a pipe character to execute root commands.
Summary
In older versions of Sendmail, an attacker could use a pipe character to execute root commands.
Severity
UNKNOWN
Source Attribution
Source: NVD · Updated: 2026-08-21T04:30:37.386Z · Confidence: high
Impact
Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.
Affected Software
Fix
Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.