CVE-2026-56123 | socat up to 1.8.1.1 DOMAINNAME Reply Parser heap-based overflow

June 25, 2026 Yanac

A vulnerability categorized as critical has been discovered in socat up to 1.8.1.1. The affected element is an unknown function of the component DOMAINNAME Reply Parser. The manipulation results in heap-based buffer overflow.

This vulnerability is reported as CVE-2026-56123. The attack can be launched remotely. No exploit exists.

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