Enigmail before 2.0.6 is prone to to OpenPGP signatures being spoofed for arbitrary messages using a PGP/INLINE signature wrapped within a specially crafted multipart HTML email.Referenceshttps://sourceforge.net/p/enigmail/bugs/849/http://www.openwall.com/lists/oss-security/2019/04/30/4http://seclists.org/fulldisclosure/2019/Apr/38http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.htmlhttps://github.com/RUB-NDS/Johnny-You-Are-Firedhttps://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf