Amdflaws was more like "if you have admin access you can backdoor the secure boot infrastructure" while this is "if an attacker manages to intercept an encrypted HTML email and send it to you modified and you use a MUA with dubious security setting with regards to HTML then you're at risk".
The issues are so different that it's probably pointless to try to rank them by severity. I personally always considered that HTML email was a terrible idea security-wise so the idea of HTML PGP sounds a bit like putting mustard on pasta. That being said the PGP/SMIME implementations really ought to detect tampering and error out in this situation, it's always better to fail early.
The issues are so different that it's probably pointless to try to rank them by severity. I personally always considered that HTML email was a terrible idea security-wise so the idea of HTML PGP sounds a bit like putting mustard on pasta. That being said the PGP/SMIME implementations really ought to detect tampering and error out in this situation, it's always better to fail early.