SUSE alert openSUSE-SU-2026:20901-1 (postgresql18)

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openSUSE-SU-2026:20901-1: important: Security update for postgresql18
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Fri, 05 Jun 2026 17:51:28 +0200
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<20260605155128.E4A4CFCE7@maintenance.suse.de>
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Article
openSUSE security update: security update for postgresql18
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20901-1
Rating: important
References:

  * bsc#1263804
  * bsc#1265172
  * bsc#1265173
  * bsc#1265174
  * bsc#1265175
  * bsc#1265176
  * bsc#1265177
  * bsc#1265178
  * bsc#1265179
  * bsc#1265180
  * bsc#1265181
  * bsc#1265182



Cross-References:

  * CVE-2026-6472
  * CVE-2026-6473
  * CVE-2026-6474
  * CVE-2026-6475
  * CVE-2026-6476
  * CVE-2026-6477
  * CVE-2026-6478
  * CVE-2026-6479
  * CVE-2026-6575
  * CVE-2026-6637
  * CVE-2026-6638



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-2026-6476 ( SUSE ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/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-2026-6575 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  * 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
  * CVE-2026-6638 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

Affected Products:

         openSUSE Leap 16.0

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

An update that solves 11 vulnerabilities and has 12 bug fixes can now be installed.

Description:

This update for postgresql18 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-2026-6476: Properly quote subscription names in pg_createsubscriber (bsc#1265176).
- 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-2026-6575: Detect faulty input when restoring attribute MCV statistics (bsc#1265180).
- CVE-2026-6637: Prevent SQL injection and buffer overruns in contrib/spi (bsc#1265181).
- CVE-2026-6638: Properly quote object names in logical replication origin checks (bsc#1265182).

Non security issue:

- Update to version 18.4.
- Get rid of update-alternatives for openSUSE/SLE 16.0 and newer
 to support immutable systems and transactional updates (jsc#PED-14820).


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-16.0-887=1

Package List:

- openSUSE Leap 16.0:

  libecpg6-18.4-160000.1.1
  libpq5-18.4-160000.1.1
  postgresql18-18.4-160000.1.1
  postgresql18-contrib-18.4-160000.1.1
  postgresql18-devel-18.4-160000.1.1
  postgresql18-devel-mini-18.4-160000.1.1
  postgresql18-docs-18.4-160000.1.1
  postgresql18-llvmjit-18.4-160000.1.1
  postgresql18-llvmjit-devel-18.4-160000.1.1
  postgresql18-plperl-18.4-160000.1.1
  postgresql18-plpython-18.4-160000.1.1
  postgresql18-pltcl-18.4-160000.1.1
  postgresql18-server-18.4-160000.1.1
  postgresql18-server-devel-18.4-160000.1.1
  postgresql18-test-18.4-160000.1.1

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-2026-6476.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-2026-6575.html
  * https://www.suse.com/security/cve/CVE-2026-6637.html
  * https://www.suse.com/security/cve/CVE-2026-6638.html