DescriptionIn the IMAP Server in Dovecot 2.3.3 through, the submission-login component crashes if AUTH PLAIN is attempted over a TLS secured channel with an unacceptable authentication message.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs928235

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dovecot (PTS)buster1:
buster (security)1:
bookworm, sid1:

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dovecotsourcejessie(not affected)
dovecotsourcestretch(not affected)


[stretch] - dovecot <not-affected> (Vulnerable code not present, introduced in 2.3)
[jessie] - dovecot <not-affected> (Vulnerable code not present, introduced in 2.3)

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