A vulnerability has been identified in Mutt, which may be exploited by attackers to execute arbitrary code. This flaw is due to a buffer overflow error in the "browse_get_namespace()" [imap/browse.c] function that does not properly handle an overly long namespace received from the IMAP server, which could be exploited by attackers to crash an affected application or compromise a vulnerable system by convincing a user to connect to a malicious IMAP server.
Credits
Vulnerability reported by TAKAHASHI Tamotsu
ChangeLog
2006-06-26 : Initial release
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