CVE-2026-43863 | mutt up to 2.3.1 crypt-gpgme.c data_object_to_stream function return value

A vulnerability described as problematic has been identified in mutt up to 2.3.1. This vulnerability affects the function data_object_to_stream of the file crypt-gpgme.c. Executing a manipulation can lead to incorrect check of function return value.

This vulnerability is handled as CVE-2026-43863. The attack can be executed remotely. There is not any exploit available.

Upgrading the affected component is recommended.