CVE-2020-24386

dovecot: Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind

CVE-2020-24386 is fixed in 19 products on 1 platform, first by dovecot-auth-lua 1:2.3.7.2-1ubuntu3.3, released January 4, 2021. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.8
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0278
86th percentile

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. Security Fix(es): * dovecot: IMAP hibernation function allows mail access (CVE-2020-24386) * dovecot: Denial of service via mail MIME parsing (CVE-2020-25275) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
dovecot · RHEL 8 1:2.3.8-9.el8 RHSA-2021:1887 May 18, 2021
dovecot · ol 8 1:2.3.8-9.el8 ELSA-2021-1887 May 25, 2021
dovecot-auth-lua · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-auth-lua 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-core · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-core 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-core · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-core 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-devel · RHEL 8 1:2.3.8-9.el8 RHSA-2021:1887 May 18, 2021
dovecot-devel · ol 8 1:2.3.8-9.el8 ELSA-2021-1887 May 25, 2021
dovecot-gssapi · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-gssapi 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-gssapi · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-gssapi 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-imapd · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-imapd 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-imapd · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-imapd 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-ldap · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-ldap 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-ldap · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-ldap 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-lmtpd · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-lmtpd 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-lmtpd · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-lmtpd 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-lucene · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-lucene 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-managesieved · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-managesieved 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-managesieved · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-managesieved 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-mysql · RHEL 8 1:2.3.8-9.el8 RHSA-2021:1887 May 18, 2021
dovecot-mysql · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-mysql 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-mysql · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-mysql 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-mysql · ol 8 1:2.3.8-9.el8 ELSA-2021-1887 May 25, 2021
dovecot-pgsql · RHEL 8 1:2.3.8-9.el8 RHSA-2021:1887 May 18, 2021
dovecot-pgsql · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-pgsql 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-pgsql · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-pgsql 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-pgsql · ol 8 1:2.3.8-9.el8 ELSA-2021-1887 May 25, 2021
dovecot-pigeonhole · RHEL 8 1:2.3.8-9.el8 RHSA-2021:1887 May 18, 2021
dovecot-pigeonhole · ol 8 1:2.3.8-9.el8 ELSA-2021-1887 May 25, 2021
dovecot-pop3d · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-pop3d 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-pop3d · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-pop3d 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-sieve · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-sieve 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-sieve · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-sieve 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-solr · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-solr 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-solr · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-solr 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-sqlite · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 dovecot-sqlite 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
dovecot-sqlite · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-sqlite 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
dovecot-submissiond · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 dovecot-submissiond 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021
mail-stack-delivery · Ubuntu 18.04.6 LTS (bionic) 1:2.2.33.2-1ubuntu4.7 mail-stack-delivery 1:2.2.33.2-1ubuntu4.7 Jan 4, 2021
mail-stack-delivery · Ubuntu 20.04 LTS (focal) 1:2.3.7.2-1ubuntu3.3 mail-stack-delivery 1:2.3.7.2-1ubuntu3.3 Jan 4, 2021

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