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SUSE Postgresql18 Important Buffer Overrun Fix Advisory 2026-20921-1

An update that solves five vulnerabilities and has one fix can now be installed.. # Security update for postgresql18 Announcement ID: SUSE-SU-2026:20921-1 Release Date: 2026-03-20T14:50:43Z Rating: important References: * bsc#1258008 * bsc#1258009 * bsc#1258010 * bsc#1258011 * bsc#1258012 * bsc#1258754 Cross-References: * CVE-2026-2003 * CVE-2026-2004 * CVE-2026-2005 * CVE-2026-2006 * CVE-2026-2007 CVSS scores: * CVE-2026-2003 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N * 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 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * 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 ( SUSE ): 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 ( SUSE ): 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 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 Server - BCI 16.0 An update that solves five vulnerabilities and has one fix can now be installed. ## Description: This update for postgresql18 fixes the following issues: * Update to version 18.3. (bsc#1258754) * CVE-2026-2003: Guard against unexpected dimensions of oidvector/int2vector (bsc#1258008) * CVE-2026-2004: Harden selectivity estimators against being attached to operators that accept unexpected data types. (bsc#1258009) * CVE-2026-2005: Fix buffer overrun in contrib/pgcrypto's PGP decryption functions. (bsc#1258010) * CVE-2026-2006: Fix inadequate validation of multibyte character lengths. (bsc#1258011) * CVE-2026-2007: Harden contrib/pg_trgm against changes in string lowercasing behavior.(bsc#1258012) ## 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 - BCI 16.0 zypper in -t patch SUSE-SLES-16.0-422=1 ## Package List: * SUSE Linux Enterprise Server - BCI 16.0 (aarch64 ppc64le s390x x86_64) * postgresql18-server-18.3-160000.1.1 * postgresql18-debuginfo-18.3-160000.1.1 * libpq5-debuginfo-18.3-160000.1.1 * postgresql18-server-debuginfo-18.3-160000.1.1 * postgresql18-server-devel-18.3-160000.1.1 * postgresql18-plperl-18.3-160000.1.1 * postgresql18-18.3-160000.1.1 * postgresql18-plpython-debuginfo-18.3-160000.1.1 * postgresql18-contrib-18.3-160000.1.1 * postgresql18-contrib-debuginfo-18.3-160000.1.1 * libecpg6-debuginfo-18.3-160000.1.1 * libecpg6-18.3-160000.1.1 * postgresql18-devel-18.3-160000.1.1 * postgresql18-pltcl-18.3-160000.1.1 * postgresql18-debugsource-18.3-160000.1.1 * postgresql18-devel-debuginfo-18.3-160000.1.1 * postgresql18-pltcl-debuginfo-18.3-160000.1.1 * libpq5-18.3-160000.1.1 * postgresql18-plpython-18.3-160000.1.1 * postgresql18-plperl-debuginfo-18.3-160000.1.1 * postgresql18-server-devel-debuginfo-18.3-160000.1.1 * SUSE Linux Enterprise Server - BCI 16.0 (noarch) * postgresql18-docs-18.3-160000.1.1 ## References: * https://www.suse.com/security/cve/CVE-2026-2003.html * https://www.suse.com/security/cve/CVE-2026-2004.html * https://www.suse.com/security/cve/CVE-2026-2005.html * https://www.suse.com/security/cve/CVE-2026-2006.html * https://www.suse.com/security/cve/CVE-2026-2007.html * https://bugzilla.suse.com/show_bug.cgi?id=1258008 * https://bugzilla.suse.com/show_bug.cgi?id=1258009 * https://bugzilla.suse.com/show_bug.cgi?id=1258010 * https://bugzilla.suse.com/show_bug.cgi?id=1258011 * https://bugzilla.suse.com/show_bug.cgi?id=1258012 *https://bugzilla.suse.com/show_bug.cgi?id=1258754 . This important update for postgresql18 on SUSE addresses five issues and enhances security considerably.. Postgresql18 Security Update, SUSE Important Fix, Linux Patch Instructions, Buffer Overrun Fix. . LinuxSecurity.com Team

Apr 01, 2026 SuSE