{"id":"SUSE-SU-2023:4981-1","summary":"Security update for postfix","details":"This update for postfix fixes the following issues:\n\n- CVE-2023-51764: Fixed new SMTP smuggling attack (bsc#1218304).\n","modified":"2026-03-11T07:25:35.520055Z","published":"2023-12-28T01:41:55Z","related":["CVE-2023-51764"],"upstream":["CVE-2023-51764"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2023/suse-su-20234981-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1218304"},{"type":"REPORT","url":"https://bugzilla.suse.com/1218314"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-51764"}],"affected":[{"package":{"name":"postfix","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP5","purl":"pkg:rpm/suse/postfix&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-150500.3.11.1"}]}],"ecosystem_specific":{"binaries":[{"postfix-devel":"3.7.3-150500.3.11.1","postfix-doc":"3.7.3-150500.3.11.1","postfix-ldap":"3.7.3-150500.3.11.1","postfix":"3.7.3-150500.3.11.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2023:4981-1.json"}},{"package":{"name":"postfix-bdb","ecosystem":"SUSE:Linux Enterprise Module for Legacy 15 SP5","purl":"pkg:rpm/suse/postfix-bdb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-150500.3.11.1"}]}],"ecosystem_specific":{"binaries":[{"postfix-bdb-lmdb":"3.7.3-150500.3.11.1","postfix-bdb":"3.7.3-150500.3.11.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2023:4981-1.json"}},{"package":{"name":"postfix","ecosystem":"SUSE:Linux Enterprise Module for Server Applications 15 SP5","purl":"pkg:rpm/suse/postfix&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-150500.3.11.1"}]}],"ecosystem_specific":{"binaries":[{"postfix-mysql":"3.7.3-150500.3.11.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2023:4981-1.json"}},{"package":{"name":"postfix","ecosystem":"openSUSE:Leap 15.5","purl":"pkg:rpm/opensuse/postfix&distro=openSUSE%20Leap%2015.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-150500.3.11.1"}]}],"ecosystem_specific":{"binaries":[{"postfix-doc":"3.7.3-150500.3.11.1","postfix-ldap":"3.7.3-150500.3.11.1","postfix-mysql":"3.7.3-150500.3.11.1","postfix-postgresql":"3.7.3-150500.3.11.1","postfix":"3.7.3-150500.3.11.1","postfix-bdb-lmdb":"3.7.3-150500.3.11.1","postfix-bdb":"3.7.3-150500.3.11.1","postfix-devel":"3.7.3-150500.3.11.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2023:4981-1.json"}},{"package":{"name":"postfix-bdb","ecosystem":"openSUSE:Leap 15.5","purl":"pkg:rpm/opensuse/postfix-bdb&distro=openSUSE%20Leap%2015.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-150500.3.11.1"}]}],"ecosystem_specific":{"binaries":[{"postfix-bdb-lmdb":"3.7.3-150500.3.11.1","postfix-bdb":"3.7.3-150500.3.11.1","postfix-devel":"3.7.3-150500.3.11.1","postfix-doc":"3.7.3-150500.3.11.1","postfix-ldap":"3.7.3-150500.3.11.1","postfix-mysql":"3.7.3-150500.3.11.1","postfix-postgresql":"3.7.3-150500.3.11.1","postfix":"3.7.3-150500.3.11.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2023:4981-1.json"}}],"schema_version":"1.7.5"}