SUSE-SU-2026:0769-1: important: Security update for postgresql18

SLE-SECURITY-UPDATES null at suse.de
Tue Mar 3 20:32:29 UTC 2026 


# Security update for postgresql18

Announcement ID: SUSE-SU-2026:0769-1  
Release Date: 2026-03-03T13:11:51Z  
Rating: important  
References:

  * bsc#1258011
  * bsc#1258754

  
Cross-References:

  * CVE-2026-2006

  
CVSS scores:

  * CVE-2026-2006 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-2006 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * 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 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 for SAP Applications 15 SP4
  * 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 postgresql18 fixes the following issue:

Update to version 18.3 (bsc#1258754).

Regression fixes:

  * the substring() function raises an error "invalid byte sequence for
    encoding" on non-ASCII text values if the source of that value is a database
    column (caused by CVE-2026-2006 fix).
  * a standby may halt and return an error "could not access status of
    transaction".

## 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 High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-769=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-769=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-769=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-769=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-769=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-769=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-769=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-769=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * libpq5-debuginfo-18.3-150200.5.9.1
    * libecpg6-18.3-150200.5.9.1
    * postgresql18-debuginfo-18.3-150200.5.9.1
    * postgresql18-debugsource-18.3-150200.5.9.1
    * libecpg6-debuginfo-18.3-150200.5.9.1
    * libpq5-18.3-150200.5.9.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
    * libpq5-32bit-debuginfo-18.3-150200.5.9.1
    * libpq5-32bit-18.3-150200.5.9.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * libpq5-debuginfo-18.3-150200.5.9.1
    * libecpg6-18.3-150200.5.9.1
    * postgresql18-debuginfo-18.3-150200.5.9.1
    * postgresql18-debugsource-18.3-150200.5.9.1
    * libecpg6-debuginfo-18.3-150200.5.9.1
    * libpq5-18.3-150200.5.9.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
    * libpq5-32bit-debuginfo-18.3-150200.5.9.1
    * libpq5-32bit-18.3-150200.5.9.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * libpq5-debuginfo-18.3-150200.5.9.1
    * libecpg6-18.3-150200.5.9.1
    * postgresql18-debuginfo-18.3-150200.5.9.1
    * postgresql18-debugsource-18.3-150200.5.9.1
    * libecpg6-debuginfo-18.3-150200.5.9.1
    * libpq5-18.3-150200.5.9.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
    * libpq5-32bit-debuginfo-18.3-150200.5.9.1
    * libpq5-32bit-18.3-150200.5.9.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * libpq5-debuginfo-18.3-150200.5.9.1
    * libecpg6-18.3-150200.5.9.1
    * postgresql18-debuginfo-18.3-150200.5.9.1
    * postgresql18-debugsource-18.3-150200.5.9.1
    * libecpg6-debuginfo-18.3-150200.5.9.1
    * libpq5-18.3-150200.5.9.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
    * libpq5-32bit-debuginfo-18.3-150200.5.9.1
    * libpq5-32bit-18.3-150200.5.9.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * libpq5-debuginfo-18.3-150200.5.9.1
    * libecpg6-18.3-150200.5.9.1
    * postgresql18-debuginfo-18.3-150200.5.9.1
    * postgresql18-debugsource-18.3-150200.5.9.1
    * libecpg6-debuginfo-18.3-150200.5.9.1
    * libpq5-18.3-150200.5.9.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
    * libpq5-32bit-debuginfo-18.3-150200.5.9.1
    * libpq5-32bit-18.3-150200.5.9.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libpq5-debuginfo-18.3-150200.5.9.1
    * libecpg6-18.3-150200.5.9.1
    * postgresql18-debuginfo-18.3-150200.5.9.1
    * postgresql18-debugsource-18.3-150200.5.9.1
    * libecpg6-debuginfo-18.3-150200.5.9.1
    * libpq5-18.3-150200.5.9.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
    * libpq5-32bit-debuginfo-18.3-150200.5.9.1
    * libpq5-32bit-18.3-150200.5.9.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * libpq5-debuginfo-18.3-150200.5.9.1
    * libecpg6-18.3-150200.5.9.1
    * postgresql18-debuginfo-18.3-150200.5.9.1
    * postgresql18-debugsource-18.3-150200.5.9.1
    * libecpg6-debuginfo-18.3-150200.5.9.1
    * libpq5-18.3-150200.5.9.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
    * libpq5-32bit-debuginfo-18.3-150200.5.9.1
    * libpq5-32bit-18.3-150200.5.9.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * libpq5-debuginfo-18.3-150200.5.9.1
    * libecpg6-18.3-150200.5.9.1
    * postgresql18-debuginfo-18.3-150200.5.9.1
    * postgresql18-debugsource-18.3-150200.5.9.1
    * libecpg6-debuginfo-18.3-150200.5.9.1
    * libpq5-18.3-150200.5.9.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
    * libpq5-32bit-debuginfo-18.3-150200.5.9.1
    * libpq5-32bit-18.3-150200.5.9.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-2006.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1258011
  * https://bugzilla.suse.com/show_bug.cgi?id=1258754

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