SUSE alert openSUSE-SU-2026:21103-1 (postgresql15)

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openSUSE-SU-2026:21103-1: important: Security update for postgresql15
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Tue, 30 Jun 2026 09:48:22 +0200
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<20260630074822.8D42EFF4B@maintenance.suse.de>
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Article
openSUSE security update: security update for postgresql15
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:21103-1
Rating: important
References:

  * bsc#1258754
  * bsc#1263804
  * bsc#1265172
  * bsc#1265173
  * bsc#1265174
  * bsc#1265175
  * bsc#1265177
  * bsc#1265178
  * bsc#1265179
  * bsc#1265181



Cross-References:

  * CVE-2026-6472
  * CVE-2026-6473
  * CVE-2026-6474
  * CVE-2026-6475
  * CVE-2026-6477
  * CVE-2026-6478
  * CVE-2026-6479
  * CVE-2026-6637



CVSS scores:

  * CVE-2026-6472 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-6473 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-6474 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-6475 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-6477 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-6478 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-6479 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-6637 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 8 vulnerabilities and has 10 bug fixes can now be installed.

Description:

This update for postgresql15 fixes the following issues

Security issues:

- CVE-2026-6472: ensure the user has CREATE privilege on the schema specified (bsc#1265172).
- CVE-2026-6473: integer overflows in memory-allocation calculations (bsc#1265173).
- CVE-2026-6474: Guard against malicious time zone names (bsc#1265174).
- CVE-2026-6475: Prevent path traversal in pg_basebackup and pg_rewind (bsc#1265175).
- CVE-2026-6477: Mark PQfn() as unsafe, and avoid using it within libpq (bsc#1265177).
- CVE-2026-6478: Use timing-safe string comparisons in authentication code (bsc#1265178).
- CVE-2026-6479: Prevent unbounded recursion while processing startup packets (bsc#1265179).
- CVE-2026-6637: Prevent SQL injection and buffer overruns in contrib/spi (bsc#1265181).

Non security issue:

- Update to version 15.18.
- Get rid of update-alternatives for openSUSE/SLE 16.0 and newer
 to support immutable systems and transactional updates (jsc#PED-14823).


Patch instructions:

   To install this openSUSE security 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 16.0

   zypper in -t patch openSUSE-Leap-16.0-968=1

Package List:

- openSUSE Leap 16.0:

  postgresql15-15.18-160000.1.1
  postgresql15-contrib-15.18-160000.1.1
  postgresql15-devel-15.18-160000.1.1
  postgresql15-docs-15.18-160000.1.1
  postgresql15-llvmjit-15.18-160000.1.1
  postgresql15-llvmjit-devel-15.18-160000.1.1
  postgresql15-plperl-15.18-160000.1.1
  postgresql15-plpython-15.18-160000.1.1
  postgresql15-pltcl-15.18-160000.1.1
  postgresql15-server-15.18-160000.1.1
  postgresql15-server-devel-15.18-160000.1.1
  postgresql15-test-15.18-160000.1.1

References:

  * https://www.suse.com/security/cve/CVE-2026-6472.html
  * https://www.suse.com/security/cve/CVE-2026-6473.html
  * https://www.suse.com/security/cve/CVE-2026-6474.html
  * https://www.suse.com/security/cve/CVE-2026-6475.html
  * https://www.suse.com/security/cve/CVE-2026-6477.html
  * https://www.suse.com/security/cve/CVE-2026-6478.html
  * https://www.suse.com/security/cve/CVE-2026-6479.html
  * https://www.suse.com/security/cve/CVE-2026-6637.html