From thehackernews.com
![OpenPGP signature spoofing](https://1.bp.blogspot.com/-r3p5BAJufL4/XMh9eDhRDPI/AAAAAAAAz4U/49f5uQzQrncMFbrjK50Ng_0kS0VqMacRQCLcBGAs/s728-e100/OpenPGP-signature-spoofing.png)
A team of security researchers has discovered several vulnerabilities in various implementations of OpenPGP and S/MIME email signature verification that could allow attackers to spoof signatures on over a dozen of popular email clients.
The affected email clients include Thunderbird, Microsoft Outlook, Apple Mail with GPGTools, iOS Mail, GpgOL, KMail, Evolution, MailMate, Airmail, K-9 Mail, Roundcube and Mailpile.