CVE-2026-57842 | NetBSD up to 8.3/9.4/10.1 Compatibility Layer msg_recv_copyin use after free

September 11, 2026 Yanac

A vulnerability, which was classified as very critical, was found in NetBSD up to 8.3/9.4/10.1. This affects the function msg_recv_copyin of the component Compatibility Layer. The manipulation results in use after free.

This vulnerability is reported as CVE-2026-57842. The attack requires a local approach. No exploit exists.

You should upgrade the affected component.VulDB Recent EntriesRead More