CVE-2010-4816: OpenBSD

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

It was found in FreeBSD 8.0, 6.3 and 4.9, and OpenBSD 4.6 that a null pointer dereference in ftpd/popen.c may lead to remote denial of service of the ftpd service.

Affected products

• OpenBSD OpenBSD: version 4.6 only; version 4.9 only; version 6.3 only; version 8.0 only

Published 2021-06-22. Last modified 2026-06-16.