SUSE-SU-2026:20983-1: important: Security update for postgresql16

[SLE-UPDATES]

# Security update for postgresql16

Announcement ID: SUSE-SU-2026:20983-1  
Release Date: 2026-03-30T14:27:44Z  
Rating: important  
References:

  * bsc#1258008
  * bsc#1258009
  * bsc#1258010
  * bsc#1258011
  * bsc#1258754

  
Cross-References:

  * CVE-2026-2003
  * CVE-2026-2004
  * CVE-2026-2005
  * CVE-2026-2006

  
CVSS scores:

  * CVE-2026-2003 ( SUSE ):  4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-2003 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-2004 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-2004 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-2005 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-2005 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * 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 Server - BCI 16.0

  
  
An update that solves four vulnerabilities and has one fix can now be installed.

## Description:

This update for postgresql16 fixes the following issues:

  * Update to versio 16.13. (bsc#1258754)
  * CVE-2026-2003: Guard against unexpected dimensions of oidvector/int2vector
    (bsc#1258008)
  * CVE-2026-2004: Harden selectivity estimators against being attached to
    operators that accept unexpected data types. (bsc#1258009)
  * CVE-2026-2005: Fix buffer overrun in contrib/pgcrypto's PGP decryption
    functions. (bsc#1258010)
  * CVE-2026-2006: Fix inadequate validation of multibyte character lengths.
    (bsc#1258011)

## 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 - BCI 16.0  
    zypper in -t patch SUSE-SLES-16.0-465=1

## Package List:

  * SUSE Linux Enterprise Server - BCI 16.0 (aarch64 ppc64le s390x x86_64)
    * postgresql16-16.13-160000.1.1
    * postgresql16-plperl-16.13-160000.1.1
    * postgresql16-server-16.13-160000.1.1
    * postgresql16-contrib-debuginfo-16.13-160000.1.1
    * postgresql16-server-devel-16.13-160000.1.1
    * postgresql16-debugsource-16.13-160000.1.1
    * postgresql16-contrib-16.13-160000.1.1
    * postgresql16-pltcl-debuginfo-16.13-160000.1.1
    * postgresql16-server-debuginfo-16.13-160000.1.1
    * postgresql16-devel-debuginfo-16.13-160000.1.1
    * postgresql16-plpython-16.13-160000.1.1
    * postgresql16-plpython-debuginfo-16.13-160000.1.1
    * postgresql16-pltcl-16.13-160000.1.1
    * postgresql16-plperl-debuginfo-16.13-160000.1.1
    * postgresql16-debuginfo-16.13-160000.1.1
    * postgresql16-server-devel-debuginfo-16.13-160000.1.1
    * postgresql16-devel-16.13-160000.1.1
  * SUSE Linux Enterprise Server - BCI 16.0 (noarch)
    * postgresql16-docs-16.13-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-2003.html
  * https://www.suse.com/security/cve/CVE-2026-2004.html
  * https://www.suse.com/security/cve/CVE-2026-2005.html
  * https://www.suse.com/security/cve/CVE-2026-2006.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1258008
  * https://bugzilla.suse.com/show_bug.cgi?id=1258009
  * https://bugzilla.suse.com/show_bug.cgi?id=1258010
  * https://bugzilla.suse.com/show_bug.cgi?id=1258011
  * https://bugzilla.suse.com/show_bug.cgi?id=1258754

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