# Security update for postfix

Announcement ID: SUSE-SU-2024:1149-1  
Rating: moderate  
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
  * CVE-2023-51764 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5
  * SUSE Linux Enterprise Software Development Kit 12 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: Prevent 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:

  * SUSE Linux Enterprise Software Development Kit 12 SP5  
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2024-1149=1

  * SUSE Linux Enterprise High Performance Computing 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1149=1

  * SUSE Linux Enterprise Server 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1149=1

  * SUSE Linux Enterprise Server for SAP Applications 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1149=1

## Package List:

  * SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 ppc64le s390x
    x86_64)
    * postfix-debuginfo-3.2.10-3.30.1
    * postfix-debugsource-3.2.10-3.30.1
    * postfix-devel-3.2.10-3.30.1
  * SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    * postfix-debuginfo-3.2.10-3.30.1
    * postfix-mysql-3.2.10-3.30.1
    * postfix-3.2.10-3.30.1
    * postfix-mysql-debuginfo-3.2.10-3.30.1
    * postfix-debugsource-3.2.10-3.30.1
  * SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch)
    * postfix-doc-3.2.10-3.30.1
  * SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    * postfix-debuginfo-3.2.10-3.30.1
    * postfix-mysql-3.2.10-3.30.1
    * postfix-3.2.10-3.30.1
    * postfix-mysql-debuginfo-3.2.10-3.30.1
    * postfix-debugsource-3.2.10-3.30.1
  * SUSE Linux Enterprise Server 12 SP5 (noarch)
    * postfix-doc-3.2.10-3.30.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    * postfix-debuginfo-3.2.10-3.30.1
    * postfix-mysql-3.2.10-3.30.1
    * postfix-3.2.10-3.30.1
    * postfix-mysql-debuginfo-3.2.10-3.30.1
    * postfix-debugsource-3.2.10-3.30.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch)
    * postfix-doc-3.2.10-3.30.1

## 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