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openSUSE Important PostgreSQL JDBC Client-Side DoS CVE-2026-42198 Alert

suse
Calendar Grey May 20, 2026
Dist Suse Esm H88
An important update for postgresql-jdbc addresses a client-side DoS vulnerability in openSUSE and SUSE Linux versions.
An update that solves one vulnerability can now be installed.

Summary

## This update for postgresql-jdbc fixes the following issue * CVE-2026-42198: client-side denial of service via malicious SCRAM-SHA-256 authentication (bsc#1264174). ## 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 15 SP5 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2028=1 * SUSE Linux Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2028=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2028=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory important OpenSUSE PostgreSQL JDBC client-side dos cve-2026-42198

References

* bsc#1264174

Cross-

* CVE-2026-42198

CVSS scores:

* CVE-2026-42198 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-42198 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* openSUSE Leap 15.4

* Server Applications Module 15-SP7

* 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 Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP4

* SUSE Linux Enterprise Server 15 SP4 LTSS

* SUSE Linux Enterprise Server 15 SP5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2028-1
Release Date: 2026-05-20T09:08:29Z
Rating: important

Topics%20covered

Topics Covered

security advisory important OpenSUSE PostgreSQL JDBC client-side dos cve-2026-42198

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