RHSA-2026:59278HighCVSS 7.5

Red Hat Security Advisory: postgresql-jdbc security update

Published
August 25, 2026
Last Modified
September 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-42198 →

📋 Description

CVE-2026-42198 — jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication

🎯 Affected products8

  • Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgresql-jdbc-0:42.2.3-7.el8_4.1.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • postgresql-jdbc-0:42.2.3-7.el8_4.1.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgresql-jdbc-0:42.2.3-7.el8_4.1.src as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • postgresql-jdbc-0:42.2.3-7.el8_4.1.src as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgresql-jdbc-javadoc-0:42.2.3-7.el8_4.1.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • postgresql-jdbc-javadoc-0:42.2.3-7.el8_4.1.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (4)