CVE-2026-58087 | FreeBSD Kernel up to p1/p7/p11 System V Semaphore semctl out-of-bounds

August 19, 2026 Yanac

A vulnerability was found in FreeBSD Kernel up to p1/p7/p11 and classified as very critical. Affected by this issue is the function semctl of the component System V Semaphore. Executing a manipulation can lead to out-of-bounds read.

This vulnerability appears as CVE-2026-58087. The attack requires local access. There is no available exploit.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More