{"id":"USN-4110-3","summary":"Dovecot regression","details":"USN-4110-1 fixed a vulnerability in Dovecot. The update introduced a\nregression causing a wrong check. This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Nick Roessler and Rafi Rubin discovered that Dovecot incorrectly\n handled certain data. An attacker could possibly use this issue\n to cause a denial of service or execute arbitrary code.\n","modified":"2026-04-22T10:00:36.054416Z","published":"2019-08-28T19:15:57Z","related":["UBUNTU-CVE-2019-11500"],"upstream":["CVE-2019-11500","UBUNTU-CVE-2019-11500"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4110-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11500"}],"affected":[{"package":{"name":"dovecot","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/dovecot@1:2.2.22-1ubuntu2.12?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.2.22-1ubuntu2.12"}]}],"versions":["1:2.2.18-2ubuntu2","1:2.2.22-1ubuntu1","1:2.2.22-1ubuntu2","1:2.2.22-1ubuntu2.1","1:2.2.22-1ubuntu2.2","1:2.2.22-1ubuntu2.3","1:2.2.22-1ubuntu2.4","1:2.2.22-1ubuntu2.6","1:2.2.22-1ubuntu2.7","1:2.2.22-1ubuntu2.8","1:2.2.22-1ubuntu2.9","1:2.2.22-1ubuntu2.10","1:2.2.22-1ubuntu2.11"],"ecosystem_specific":{"binaries":[{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-core"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-gssapi"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-imapd"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-ldap"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-lmtpd"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-lucene"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-managesieved"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-mysql"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-pgsql"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-pop3d"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-sieve"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-solr"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"dovecot-sqlite"},{"binary_version":"1:2.2.22-1ubuntu2.12","binary_name":"mail-stack-delivery"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4110-3.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2019-11500"}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"dovecot","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/dovecot@1:2.2.33.2-1ubuntu4.5?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.2.33.2-1ubuntu4.5"}]}],"versions":["1:2.2.27-3ubuntu1","1:2.2.33.2-1ubuntu1","1:2.2.33.2-1ubuntu2","1:2.2.33.2-1ubuntu3","1:2.2.33.2-1ubuntu4","1:2.2.33.2-1ubuntu4.1","1:2.2.33.2-1ubuntu4.2","1:2.2.33.2-1ubuntu4.3","1:2.2.33.2-1ubuntu4.4"],"ecosystem_specific":{"binaries":[{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-core"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-gssapi"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-imapd"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-ldap"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-lmtpd"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-managesieved"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-mysql"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-pgsql"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-pop3d"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-sieve"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-solr"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"dovecot-sqlite"},{"binary_version":"1:2.2.33.2-1ubuntu4.5","binary_name":"mail-stack-delivery"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4110-3.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2019-11500"}],"ecosystem":"Ubuntu:18.04:LTS"}}}],"schema_version":"1.7.5"}