CVE-2017-1000372: OpenBSD

Critical severity, CVSS 9.8. EPSS: 4% chance of exploitation in the next 30 days.

A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as /usr/bin/at. This affects OpenBSD 6.1 and possibly earlier versions.

Affected products

• OpenBSD OpenBSD: up to and including 6.1

Published 2017-06-19. Last modified 2026-06-17.