CVE-1999-0098: Buffer overflow in SMTP HELO command in Sendmail allows a remote attacker to hide activities.

Published n/a Updated 2026-08-21T04:30:39.996Z

Summary

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

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:39.996Z · 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.

References