CVE-1999-1156: BisonWare FTP Server 4.1 and earlier allows remote attackers to cause a denial of service via a malformed PORT command t

Published n/a Updated 2026-08-21T04:30:46.515Z

Summary

BisonWare FTP Server 4.1 and earlier allows remote attackers to cause a denial of service via a malformed PORT command that contains a non-numeric character and a large number of carriage returns.

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:46.515Z · 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