Caphyon Ltd Advanced Installer 19.3 and earlier and many products that use the updater from Advanced Installer (Advanced Updater) are affected by a remote code execution vulnerability via the CustomDetection parameter in the update check function. To exploit this vulnerability, a user must start an affected installation to trigger the update check.

Multiple cross-site scripting (XSS) vulnerabilities in Mailbird before 2.7.5.0 r allow remote attackers to execute arbitrary JavaScript in a privileged context via a crafted HTML mail message. This vulnerability is distinct from CVE-2015-4657.

The IMAP-over-SSL implementation in getmail 4.0.0 through 4.43.0 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof IMAP servers and obtain sensitive information via a crafted certificate.

The IMAP-over-SSL implementation in getmail 4.44.0 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IMAP servers and obtain sensitive information via a crafted certificate from a recognized Certification Authority.

The POP3-over-SSL implementation in getmail 4.0.0 through 4.44.0 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof POP3 servers and obtain sensitive information via a crafted certificate.

getmail 4.x before 4.2.0, when run as root, allows local users to overwrite arbitrary files via a symlink attack on an mbox file.

getmail 4.x before 4.2.0, and other versions before 3.2.5, when run as root, allows local users to write files in arbitrary directories via a symlink attack on subdirectories in the maildir.