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.

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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.