CVE-2026-39457 | FreeBSD File Descriptor stack-based overflow

April 30, 2026 Yanac

A vulnerability classified as critical has been found in FreeBSD. Affected by this vulnerability is an unknown functionality of the component File Descriptor Handler. Performing a manipulation results in stack-based buffer overflow.

This vulnerability is identified as CVE-2026-39457. The attack is only possible with local access. There is not any exploit available.

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