# Security update for sendmail

Announcement ID: SUSE-SU-2024:0743-1  
Rating: moderate  
References:

  * bsc#1218351

  
Cross-References:

  * CVE-2023-51765

  
CVSS scores:

  * CVE-2023-51765 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2023-51765 ( NVD ):  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
  * openSUSE Leap 15.5
  * SUSE Linux Enterprise Desktop 15 SP5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Package Hub 15 15-SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for sendmail fixes the following issues:

  * CVE-2023-51765: Fixed new SMTP smuggling attack. (bsc#1218351)

## 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 openSUSE-SLE-15.5-2024-743=1

  * Basesystem Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2024-743=1

  * SUSE Package Hub 15 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2024-743=1

## Package List:

  * openSUSE Leap 15.5 (noarch)
    * sendmail-starttls-8.15.2-150000.8.12.1
    * libmilter-doc-8.15.2-150000.8.12.1
  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)
    * sendmail-devel-8.15.2-150000.8.12.1
    * rmail-debuginfo-8.15.2-150000.8.12.1
    * libmilter1_0-debuginfo-8.15.2-150000.8.12.1
    * libmilter1_0-8.15.2-150000.8.12.1
    * sendmail-8.15.2-150000.8.12.1
    * sendmail-debuginfo-8.15.2-150000.8.12.1
    * rmail-8.15.2-150000.8.12.1
    * sendmail-debugsource-8.15.2-150000.8.12.1
  * Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
    * libmilter1_0-debuginfo-8.15.2-150000.8.12.1
    * sendmail-debugsource-8.15.2-150000.8.12.1
    * sendmail-debuginfo-8.15.2-150000.8.12.1
    * libmilter1_0-8.15.2-150000.8.12.1
  * SUSE Package Hub 15 15-SP5 (aarch64 ppc64le s390x x86_64)
    * rmail-debuginfo-8.15.2-150000.8.12.1
    * sendmail-debugsource-8.15.2-150000.8.12.1
    * rmail-8.15.2-150000.8.12.1
    * sendmail-debuginfo-8.15.2-150000.8.12.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-51765.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1218351