CVE-1999-1504

Medium

Published: 08/04/1998(UTC)Updated: 16/06/2026(UTC)Translated: 18/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

High risk

2.46%

82th percentile - higher than 82% of all known CVEs

Stalker Internet Mail Server version 1.6 allows a remote attacker to cause a denial of service (crash) via a long HELO command.

An attacker can render the mail server unavailable, impacting the organization's operational continuity.

It is recommended to update the server to the latest version or implement filters to limit the length of the HELO command.

Original NVD description (English source)

Stalker Internet Mail Server 1.6 allows a remote attacker to cause a denial of service (crash) via a long HELO command.