Security update for postgresql18

Announcement ID:	SUSE-SU-2026:1945-1
Release Date:	2026-05-18T07:48:50Z
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 jsc#PED-14820
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-2026-6472 ( 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 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 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 High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1945=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1945=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1945=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1945=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1945=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1945=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1945=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1945=1

Package List:

• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • libecpg6-debuginfo-18.4-150200.5.12.1
  • libecpg6-18.4-150200.5.12.1
  • libpq5-debuginfo-18.4-150200.5.12.1
  • postgresql18-debugsource-18.4-150200.5.12.1
  • postgresql18-debuginfo-18.4-150200.5.12.1
  • libpq5-18.4-150200.5.12.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
  • libpq5-32bit-18.4-150200.5.12.1
  • libpq5-32bit-debuginfo-18.4-150200.5.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • libecpg6-debuginfo-18.4-150200.5.12.1
  • libecpg6-18.4-150200.5.12.1
  • libpq5-debuginfo-18.4-150200.5.12.1
  • postgresql18-debugsource-18.4-150200.5.12.1
  • postgresql18-debuginfo-18.4-150200.5.12.1
  • libpq5-18.4-150200.5.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
  • libpq5-32bit-18.4-150200.5.12.1
  • libpq5-32bit-debuginfo-18.4-150200.5.12.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • libecpg6-debuginfo-18.4-150200.5.12.1
  • libecpg6-18.4-150200.5.12.1
  • libpq5-debuginfo-18.4-150200.5.12.1
  • postgresql18-debugsource-18.4-150200.5.12.1
  • postgresql18-debuginfo-18.4-150200.5.12.1
  • libpq5-18.4-150200.5.12.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
  • libpq5-32bit-18.4-150200.5.12.1
  • libpq5-32bit-debuginfo-18.4-150200.5.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • libecpg6-debuginfo-18.4-150200.5.12.1
  • libecpg6-18.4-150200.5.12.1
  • libpq5-debuginfo-18.4-150200.5.12.1
  • postgresql18-debugsource-18.4-150200.5.12.1
  • postgresql18-debuginfo-18.4-150200.5.12.1
  • libpq5-18.4-150200.5.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
  • libpq5-32bit-18.4-150200.5.12.1
  • libpq5-32bit-debuginfo-18.4-150200.5.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • libecpg6-debuginfo-18.4-150200.5.12.1
  • libecpg6-18.4-150200.5.12.1
  • libpq5-debuginfo-18.4-150200.5.12.1
  • postgresql18-debugsource-18.4-150200.5.12.1
  • postgresql18-debuginfo-18.4-150200.5.12.1
  • libpq5-18.4-150200.5.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
  • libpq5-32bit-18.4-150200.5.12.1
  • libpq5-32bit-debuginfo-18.4-150200.5.12.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • libecpg6-debuginfo-18.4-150200.5.12.1
  • libecpg6-18.4-150200.5.12.1
  • libpq5-debuginfo-18.4-150200.5.12.1
  • postgresql18-debugsource-18.4-150200.5.12.1
  • postgresql18-debuginfo-18.4-150200.5.12.1
  • libpq5-18.4-150200.5.12.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
  • libpq5-32bit-18.4-150200.5.12.1
  • libpq5-32bit-debuginfo-18.4-150200.5.12.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • libecpg6-debuginfo-18.4-150200.5.12.1
  • libecpg6-18.4-150200.5.12.1
  • libpq5-debuginfo-18.4-150200.5.12.1
  • postgresql18-debugsource-18.4-150200.5.12.1
  • postgresql18-debuginfo-18.4-150200.5.12.1
  • libpq5-18.4-150200.5.12.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
  • libpq5-32bit-18.4-150200.5.12.1
  • libpq5-32bit-debuginfo-18.4-150200.5.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • libecpg6-debuginfo-18.4-150200.5.12.1
  • libecpg6-18.4-150200.5.12.1
  • libpq5-debuginfo-18.4-150200.5.12.1
  • postgresql18-debugsource-18.4-150200.5.12.1
  • postgresql18-debuginfo-18.4-150200.5.12.1
  • libpq5-18.4-150200.5.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
  • libpq5-32bit-18.4-150200.5.12.1
  • libpq5-32bit-debuginfo-18.4-150200.5.12.1

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
• https://bugzilla.suse.com/show_bug.cgi?id=1263804
• https://bugzilla.suse.com/show_bug.cgi?id=1265172
• https://bugzilla.suse.com/show_bug.cgi?id=1265173
• https://bugzilla.suse.com/show_bug.cgi?id=1265174
• https://bugzilla.suse.com/show_bug.cgi?id=1265175
• https://bugzilla.suse.com/show_bug.cgi?id=1265176
• https://bugzilla.suse.com/show_bug.cgi?id=1265177
• https://bugzilla.suse.com/show_bug.cgi?id=1265178
• https://bugzilla.suse.com/show_bug.cgi?id=1265179
• https://bugzilla.suse.com/show_bug.cgi?id=1265180
• https://bugzilla.suse.com/show_bug.cgi?id=1265181
• https://bugzilla.suse.com/show_bug.cgi?id=1265182
• https://jira.suse.com/browse/PED-14820