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SUSE 15 PostgreSQL 18 Important Security Fix Advisory 2026-0584-1

suse
Calendar Grey February 20, 2026
Dist Suse Esm H88
This important security update for postgresql18 addresses five vulnerabilities in SUSE Linux systems. Install promptly.
An update that solves five vulnerabilities can now be installed.

Summary

## This update for postgresql18 fixes the following issues: Update to version 18.2. Security issues fixed: * CVE-2026-2003: improper validation of type "oidvector" may allow disclose a few bytes of server memory (bsc#1258008). * CVE-2026-2004: intarray missing validation of type of input to selectivity estimator could lead to arbitrary code execution (bsc#1258009). * CVE-2026-2005: buffer overrun in contrib/pgcrypto's PGP decryption functions could lead to arbitrary code execution (bsc#1258010). * CVE-2026-2006: inadequate validation of multibyte character lengths could lead to arbitrary code execution (bsc#1258011). * CVE-2026-2007: pg_trgm heap buffer overflow can cause to write pattern onto server memory (bsc#1258012). ## Patch Instructions:

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important arbitrary execution postgresql18

References

* bsc#1258008

* bsc#1258009

* bsc#1258010

* bsc#1258011

* bsc#1258012

Cross-

* CVE-2026-2003

* CVE-2026-2004

* CVE-2026-2005

* CVE-2026-2006

* CVE-2026-2007

CVSS scores:

* 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 ( 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 ( 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 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-2007 ( NVD ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0584-1
Release Date: 2026-02-20T10:03:28Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important arbitrary execution postgresql18

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