Security update for postgresql18

Announcement ID: SUSE-SU-2026:1946-1
Release Date: 2026-05-18T07:49:01Z
Rating: important
References:
Cross-References:
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-2026-6472 ( NVD ): 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-2026-6473 ( NVD ): 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-2026-6474 ( NVD ): 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-2026-6475 ( NVD ): 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-2026-6476 ( NVD ): 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-2026-6477 ( NVD ): 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-2026-6478 ( NVD ): 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-2026-6479 ( NVD ): 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-2026-6575 ( NVD ): 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-2026-6637 ( NVD ): 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
  • CVE-2026-6638 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 12 SP5 LTSS
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves 11 vulnerabilities, contains one feature and has one security fix can now be installed.

Description:

This update for postgresql18 fixes the following issues

Update to version 18.4.

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:

  • Get rid of update-alternatives for openSUSE/SLE 16.0 and newer to support immutable systems and transactional updates (jsc#PED-14820).
  • /usr/bin/pg_config is missing after migrating away from update-alternatives (bsc#1263804).

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 12 SP5 LTSS
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1946=1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1946=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    • libecpg6-debuginfo-18.4-8.12.1
    • libpq5-18.4-8.12.1
    • libpq5-debuginfo-18.4-8.12.1
    • libecpg6-18.4-8.12.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    • libpq5-debuginfo-32bit-18.4-8.12.1
    • libecpg6-32bit-18.4-8.12.1
    • libpq5-32bit-18.4-8.12.1
    • libecpg6-debuginfo-32bit-18.4-8.12.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • libpq5-18.4-8.12.1
    • libecpg6-18.4-8.12.1
    • libpq5-debuginfo-18.4-8.12.1
    • libecpg6-debuginfo-32bit-18.4-8.12.1
    • libpq5-32bit-18.4-8.12.1
    • libpq5-debuginfo-32bit-18.4-8.12.1
    • libecpg6-debuginfo-18.4-8.12.1
    • libecpg6-32bit-18.4-8.12.1

References: