CVE-2026-4247 | FreeBSD ACK tcp_respond memory leak

A vulnerability was found in FreeBSD. It has been declared as problematic. Affected by this vulnerability is the function tcp_respond of the component ACK Handler. The manipulation results in memory leak.

This vulnerability is reported as CVE-2026-4247. The attack can be launched remotely. No exploit exists.

A patch should be applied to remediate this issue.