CVE-2000-1010: OpenBSD

High severity, CVSS 10.0. EPSS: 4.6% chance of exploitation in the next 30 days.

Format string vulnerability in talkd in OpenBSD and possibly other BSD-based OSes allows remote attackers to execute arbitrary commands via a user name that contains format characters.

Affected products

• OpenBSD OpenBSD: version 2.3 only; version 2.4 only; version 2.5 only; version 2.6 only; version 2.7 only
• Red Hat Linux: version 5.0 only; version 5.1 only; version 5.2 only

Published 2000-12-11. Last modified 2026-06-16.