CVE-2011-1929

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-05-24 · updated 2026-06-16
Weakness: CWE-20

Description

lib-mail/message-header-parser.c in Dovecot 1.2.x before 1.2.17 and 2.0.x before 2.0.13 does not properly handle '\0' characters in header names, which allows remote attackers to cause a denial of service (daemon crash or mailbox corruption) via a crafted e-mail message.

Affected products

dovecot: 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5 (+25)

References

http://dovecot.org/pipermail/dovecot/2011-May/059085.html
http://dovecot.org/pipermail/dovecot/2011-May/059086.html
http://hg.dovecot.org/dovecot-1.1/rev/3698dfe0f21c
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061384.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060815.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060825.html
http://openwall.com/lists/oss-security/2011/05/18/4
http://openwall.com/lists/oss-security/2011/05/19/3
http://openwall.com/lists/oss-security/2011/05/19/6
http://osvdb.org/72495
http://secunia.com/advisories/44683
http://secunia.com/advisories/44712

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