CVE-2018-14775: OpenBSD

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

tss_alloc in sys/arch/i386/i386/gdt.c in OpenBSD 6.2 and 6.3 has a Local Denial of Service (system crash) due to incorrect I/O port access control on the i386 architecture.

Affected products

• OpenBSD OpenBSD: version 6.2 only; version 6.3 only

Published 2018-08-01. Last modified 2026-06-17.