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OpenAdvisories
High ALSA-2026:24348 1 CVE

Important: postgresql-jdbc security update

Published Jun 8, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

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.

Fixed packages 1

ReleasePackageFixed in
AlmaLinux · 10 postgresql-jdbc 42.7.2-1.el10_2.2

Vulnerabilities 1

  • High 7.5
    CVE-2026-42198

    pgjdbc: Unbounded PBKDF2 iterations in SCRAM authentication allows CPU exhaustion DoS

    pgjdbc is an open source postgresql JDBC Driver. From version 42.2.0 to before version 42.7.11, pgjdbc is vulnerable to a client-side denial of service during SCRAM-SHA-256 authentication. A malicious server can instruct the driver to perform SCRAM authentica…

    pgjdbc pgjdbc druid thingsboard-tb-node Debian Ubuntu Wolfi Maven

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-42198
  • report
    https://bugzilla.redhat.com/2463857
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-24348.html