DescriptionUnspecified vulnerability in Dovecot 1.2.x before 1.2.11 allows remote attackers to cause a denial of service (CPU consumption) via long headers in an e-mail message.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dovecot (PTS)wheezy (security), wheezy1:2.1.7-7+deb7u1fixed
stretch, sid1:2.2.25-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dovecotsourceetch(not affected)
dovecotsourcelenny(not affected)


[lenny] - dovecot <not-affected> (this problem exists only with v1.2.x, not with v1.0 or v1.1)
[etch] - dovecot <not-affected> (Vulnerable code not present)

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