Version in base suite: 15.4-7
Version in overlay suite: 15.7-1~deb11u1

Base version: shim_15.4-7
Target version: shim_15.7-1~deb11u1
Base files: shim-helpers-amd64-signed-template_15.4-7_amd64.deb shim-unsigned_15.4-7_amd64.deb
Target files: shim-helpers-amd64-signed-template_15.7-1~deb11u1_amd64.deb shim-unsigned_15.7-1~deb11u1_amd64.deb

-E: portable-executable-missing-security-features usr/lib/shim/fbx64.efi ASLR DEP/NX
-E: portable-executable-missing-security-features usr/lib/shim/mmx64.efi ASLR DEP/NX
-E: portable-executable-missing-security-features usr/lib/shim/shimx64.efi ASLR DEP/NX