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openSUSE PostgreSQL JDBC Important Denial of Service CVE-2026-42198

opensuse
Calendar Grey June 1, 2026
Dist Opensuse Esm H88
Explore the important security advisory for openSUSE, featuring a patch for postgresql-jdbc addressing a critical denial of service issue.
An update that solves one vulnerability and has one bug fix can now be installed.

Description

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 openSUSE security update use the suse recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

zypper in -t patch openSUSE-Leap-16.0-828=1

Topics%20covered

Topics Covered

security advisory denial of service important authentication OpenSUSE PostgreSQL JDBC

Patch

Package List

- openSUSE Leap 16.0:

postgresql-jdbc-42.7.7-160000.3.1

postgresql-jdbc-javadoc-42.7.7-160000.3.1

References

* bsc#1264174

References:

* https://www.suse.com/security/cve/CVE-2026-42198.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:20847-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory denial of service important authentication OpenSUSE PostgreSQL JDBC

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