RHSA-2026:52928: Important: postgresql-jdbc security update

Published Aug 10, 2026
·
Updated

Important: postgresql-jdbc security update

Other sources

PostgreSQL is an advanced object-relational database management system. The postgresql-jdbc package includes the .jar files needed for Java programs to access a PostgreSQL database.Security Fix(es): jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication (CVE-2026-42198) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat

Affected Software

10 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
redhat/postgresql-jdbc<42.7.1-7.el10_0.1
42.7.1-7.el10_0.1
redhat/postgresql-jdbc<42.7.1-7.el10_0.1
42.7.1-7.el10_0.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/postgresql-jdbc to a version that resolves this vulnerability.

    Fixed in 42.7.1-7.el10_0.1

Event History

Aug 10, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·03:23 PM
Data Sourced
via Red Hat·03:23 PM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:52928?

The severity of RHSA-2026:52928 is high, rated at 7.

2

What security fix does RHSA-2026:52928 address?

RHSA-2026:52928 addresses a client-side Denial of Service vulnerability in the postgresql-jdbc package.

3

How do I fix RHSA-2026:52928?

To fix RHSA-2026:52928, update the postgresql-jdbc package to the latest version provided by Red Hat.

4

What software is affected by RHSA-2026:52928?

The affected software includes the postgresql-jdbc package for various versions of Red Hat Enterprise Linux.

5

What type of vulnerability is related to RHSA-2026:52928?

RHSA-2026:52928 is related to a Denial of Service vulnerability that affects PostgreSQL database access.

Contact

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