CVE-2001-0284: OpenBSD

High severity, CVSS 10.0. EPSS: 3.1% chance of exploitation in the next 30 days.

Buffer overflow in IPSEC authentication mechanism for OpenBSD 2.8 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a malformed Authentication header (AH) IPv4 option.

Affected products

• OpenBSD OpenBSD: up to and including 2.8

Published 2001-05-03. Last modified 2026-06-16.