CVE-2026-100889 Trusted Domain Project OpenDKIM Decoder util.c dkim_qp_decode off-by-one

A vulnerability was detected in Trusted Domain Project OpenDKIM up to 2.11.0. Affected is the function dkimqpdecode of the file util.c of the component Decoder. The manipulation results in off-by-one. The attack may be performed from remote. The exploit is now public and may be used. The vendor w...