CVE-2016-6240: OpenBSD

High severity, CVSS 7.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Integer truncation error in the amap_alloc function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value.

Affected products

• OpenBSD OpenBSD: version 5.8 only; version 5.9 only

Published 2017-03-07. Last modified 2026-06-17.