cmu cyrus imap server 2.1.18 vulnerabilities and exploits

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Stack-based buffer overflow in the split_wildmats function in nntpd.c in nntpd in Cyrus IMAP Server prior to 2.3.17 and 2.4.x prior to 2.4.11 allows remote malicious users to execute arbitrary code via a crafted NNTP command.

The index_get_ids function in index.c in imapd in Cyrus IMAP Server prior to 2.4.11, when server-side threading is enabled, allows remote malicious users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted References header in an e-mail message.

The STARTTLS implementation in Cyrus IMAP Server prior to 2.4.7 does not properly restrict I/O buffering, which allows man-in-the-middle malicious users to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a...

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