CVE-2020-26142: OpenBSD

Medium severity, CVSS 5.3. EPSS: 2.1% chance of exploitation in the next 30 days.

An issue was discovered in the kernel in OpenBSD 6.6. The WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. An adversary can abuse this to inject arbitrary network packets, independent of the network configuration.

Affected products

• OpenBSD OpenBSD: version 6.6 only

Published 2021-05-11. Last modified 2026-06-17.