# Security update for postfix Announcement ID: SUSE-SU-2023:4981-1 Rating: important References: * bsc#1218304 * bsc#1218314 Cross-References: * CVE-2023-51764 CVSS scores: * CVE-2023-51764 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Affected Products: * Basesystem Module 15-SP5 * Legacy Module 15-SP5 * openSUSE Leap 15.5 * Server Applications Module 15-SP5 * SUSE Linux Enterprise Desktop 15 SP5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Real Time 15 SP5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 An update that solves one vulnerability and has one security fix can now be installed. ## Description: This update for postfix fixes the following issues: * CVE-2023-51764: Fixed new SMTP smuggling attack (bsc#1218304). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.5 zypper in -t patch SUSE-2023-4981=1 openSUSE-SLE-15.5-2023-4981=1 * Basesystem Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4981=1 * Legacy Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Legacy-15-SP5-2023-4981=1 * Server Applications Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-4981=1 ## Package List: * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586) * postfix-bdb-debugsource-3.7.3-150500.3.11.1 * postfix-debugsource-3.7.3-150500.3.11.1 * postfix-3.7.3-150500.3.11.1 * postfix-debuginfo-3.7.3-150500.3.11.1 * postfix-ldap-debuginfo-3.7.3-150500.3.11.1 * postfix-postgresql-3.7.3-150500.3.11.1 * postfix-bdb-debuginfo-3.7.3-150500.3.11.1 * postfix-ldap-3.7.3-150500.3.11.1 * postfix-postgresql-debuginfo-3.7.3-150500.3.11.1 * postfix-bdb-lmdb-debuginfo-3.7.3-150500.3.11.1 * postfix-bdb-3.7.3-150500.3.11.1 * postfix-bdb-lmdb-3.7.3-150500.3.11.1 * postfix-devel-3.7.3-150500.3.11.1 * postfix-mysql-3.7.3-150500.3.11.1 * postfix-mysql-debuginfo-3.7.3-150500.3.11.1 * openSUSE Leap 15.5 (noarch) * postfix-doc-3.7.3-150500.3.11.1 * Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64) * postfix-debugsource-3.7.3-150500.3.11.1 * postfix-3.7.3-150500.3.11.1 * postfix-debuginfo-3.7.3-150500.3.11.1 * postfix-ldap-debuginfo-3.7.3-150500.3.11.1 * postfix-ldap-3.7.3-150500.3.11.1 * postfix-devel-3.7.3-150500.3.11.1 * Basesystem Module 15-SP5 (noarch) * postfix-doc-3.7.3-150500.3.11.1 * Legacy Module 15-SP5 (aarch64 ppc64le s390x x86_64) * postfix-bdb-debugsource-3.7.3-150500.3.11.1 * postfix-bdb-debuginfo-3.7.3-150500.3.11.1 * postfix-bdb-lmdb-debuginfo-3.7.3-150500.3.11.1 * postfix-bdb-3.7.3-150500.3.11.1 * postfix-bdb-lmdb-3.7.3-150500.3.11.1 * Server Applications Module 15-SP5 (aarch64 ppc64le s390x x86_64) * postfix-debuginfo-3.7.3-150500.3.11.1 * postfix-debugsource-3.7.3-150500.3.11.1 * postfix-mysql-3.7.3-150500.3.11.1 * postfix-mysql-debuginfo-3.7.3-150500.3.11.1 ## References: * https://www.suse.com/security/cve/CVE-2023-51764.html * https://bugzilla.suse.com/show_bug.cgi?id=1218304 * https://bugzilla.suse.com/show_bug.cgi?id=1218314