vulnerability
Red Hat: CVE-2020-10967: CVE-2020-10967 dovecot: sending mail with empty quoted localpart leads to DoS (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | May 18, 2020 | Nov 5, 2020 | Mar 27, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
May 18, 2020
Added
Nov 5, 2020
Modified
Mar 27, 2026
Description
In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.
Solutions
redhat-upgrade-dovecotredhat-upgrade-dovecot-debuginforedhat-upgrade-dovecot-debugsourceredhat-upgrade-dovecot-develredhat-upgrade-dovecot-mysqlredhat-upgrade-dovecot-mysql-debuginforedhat-upgrade-dovecot-pgsqlredhat-upgrade-dovecot-pgsql-debuginforedhat-upgrade-dovecot-pigeonholeredhat-upgrade-dovecot-pigeonhole-debuginfo
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.