CVE-2026-43864 | mutt up to 2.3.1 show_sig_summary null pointer dereference

SecurityVulns
Yanac

A vulnerability classified as problematic has been found in mutt up to 2.3.1. This issue affects the function show_sig_summary. The manipulation leads to null pointer dereference.

This vulnerability is uniquely identified as CVE-2026-43864. The attack is possible to be carried out remotely. No exploit exists.

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