CVE-2019-10735

https://notcve.org/view.php?id=CVE-2019-10735

In Claws Mail 3.14.1, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, they unknowingly leak the plaintext of the encrypted message part(s) back to the attacker. En Claws Mail 3.14.1 un atacante que posea correos electrónicos cifrados en S/MIME o PGP puede envolverlos como subpartes de un correo electrónico multiparte manipulado. • https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4159 • CWE-319: Cleartext Transmission of Sensitive Information •