{"id":"USN-6982-1","summary":"dovecot vulnerabilities","details":"It was discovered that Dovecot did not not properly have restrictions on\nithe size of address headers. A remote attacker could possibly use this\nissue to cause denial of service. (CVE-2024-23184, CVE-2024-23185)\n","modified":"2026-02-10T04:45:04Z","published":"2024-09-02T03:31:37Z","related":["UBUNTU-CVE-2024-23184","UBUNTU-CVE-2024-23185"],"upstream":["CVE-2024-23184","CVE-2024-23185","UBUNTU-CVE-2024-23184","UBUNTU-CVE-2024-23185"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6982-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-23184"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-23185"}],"affected":[{"package":{"name":"dovecot","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/dovecot@1:2.3.21+dfsg1-2ubuntu6?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.21+dfsg1-2ubuntu6"}]}],"versions":["1:2.3.20+dfsg1-1ubuntu3","1:2.3.21+dfsg1-2ubuntu1","1:2.3.21+dfsg1-2ubuntu2","1:2.3.21+dfsg1-2ubuntu4","1:2.3.21+dfsg1-2ubuntu5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dovecot-auth-lua","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-core","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-dev","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-gssapi","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-imapd","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-ldap","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-lmtpd","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-managesieved","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-mysql","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-pgsql","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-pop3d","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-sieve","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-solr","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-sqlite","binary_version":"1:2.3.21+dfsg1-2ubuntu6"},{"binary_name":"dovecot-submissiond","binary_version":"1:2.3.21+dfsg1-2ubuntu6"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2024-23184"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2024-23185"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6982-1.json"}}],"schema_version":"1.7.3"}