SUSE-SU-2026:2028-1: important: Security update for postgresql-jdbc

[SLE-UPDATES]

# Security update for postgresql-jdbc

Announcement ID: SUSE-SU-2026:2028-1  
Release Date: 2026-05-20T09:08:29Z  
Rating: important  
References:

  * bsc#1264174

  
Cross-References:

  * CVE-2026-42198

  
CVSS scores:

  * CVE-2026-42198 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-42198 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * Server Applications Module 15-SP7
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for postgresql-jdbc fixes the following issue

  * CVE-2026-42198: client-side denial of service via malicious SCRAM-SHA-256
    authentication (bsc#1264174).

## 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 Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2028=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2028=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2028=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2028=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2028=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-2028=1

  * Server Applications Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2028=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2028=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2028=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2028=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2028=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2028=1

## Package List:

  * SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * openSUSE Leap 15.4 (noarch)
    * postgresql-jdbc-javadoc-42.2.25-150400.3.15.1
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * Server Applications Module 15-SP7 (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
    * postgresql-jdbc-42.2.25-150400.3.15.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-42198.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1264174

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