Red Hat Product Errata RHSA-2026:25030 - Security Advisory Issued: 2026-06-10 Updated: 2026-06-10 RHSA-2026:25030 - Security Advisory Overview Updated Packages Synopsis Important: postgresql-jdbc security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for postgresql-jdbc is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux for x86_64 8 x86_64 Red Hat Enterprise Linux for IBM z Systems 8 s390x Red Hat Enterprise Linux for Power, little endian 8 ppc64le Red Hat Enterprise Linux for ARM 64 8 aarch64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x Fixes BZ - 2463857 - CVE-2026-42198 jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication CVEs CVE-2026-42198 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 8 SRPM postgresql-jdbc-42.2.14-4.el8_10.src.rpm SHA-256: f4d8c894771d2cd2df9f18131d1fbdde12d3c6a7f78d820e0bbf8ed4ba32f94a x86_64 postgresql-jdbc-42.2.14-4.el8_10.noarch.rpm SHA-256: acf10db9a65707cd63de4e2f21211e931857705e5a6e952ee1d14f0543fec9d5 postgresql-jdbc-javadoc-42.2.14-4.el8_10.noarch.rpm SHA-256: dec4ed017fcb4bbfa86f60f8b906a198baa1643eaaf56dd6ecde173aeb8e93ef Red Hat Enterprise Linux for IBM z Systems 8 SRPM postgresql-jdbc-42.2.14-4.el8_10.src.rpm SHA-256: f4d8c894771d2cd2df9f18131d1fbdde12d3c6a7f78d820e0bbf8ed4ba32f94a s390x postgresql-jdbc-42.2.14-4.el8_10.noarch.rpm SHA-256: acf10db9a65707cd63de4e2f21211e931857705e5a6e952ee1d14f0543fec9d5 postgresql-jdbc-javadoc-42.2.14-4.el8_10.noarch.rpm SHA-256: dec4ed017fcb4bbfa86f60f8b906a198baa1643eaaf56dd6ecde173aeb8e93ef Red Hat Enterprise Linux for Power, little endian 8 SRPM postgresql-jdbc-42.2.14-4.el8_10.src.rpm SHA-256: f4d8c894771d2cd2df9f18131d1fbdde12d3c6a7f78d820e0bbf8ed4ba32f94a ppc64le postgresql-jdbc-42.2.14-4.el8_10.noarch.rpm SHA-256: acf10db9a65707cd63de4e2f21211e931857705e5a6e952ee1d14f0543fec9d5 postgresql-jdbc-javadoc-42.2.14-4.el8_10.noarch.rpm SHA-256: dec4ed017fcb4bbfa86f60f8b906a198baa1643eaaf56dd6ecde173aeb8e93ef Red Hat Enterprise Linux for ARM 64 8 SRPM postgresql-jdbc-42.2.14-4.el8_10.src.rpm SHA-256: f4d8c894771d2cd2df9f18131d1fbdde12d3c6a7f78d820e0bbf8ed4ba32f94a aarch64 postgresql-jdbc-42.2.14-4.el8_10.noarch.rpm SHA-256: acf10db9a65707cd63de4e2f21211e931857705e5a6e952ee1d14f0543fec9d5 postgresql-jdbc-javadoc-42.2.14-4.el8_10.noarch.rpm SHA-256: dec4ed017fcb4bbfa86f60f8b906a198baa1643eaaf56dd6ecde173aeb8e93ef Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 SRPM postgresql-jdbc-42.2.14-4.el8_10.src.rpm SHA-256: f4d8c894771d2cd2df9f18131d1fbdde12d3c6a7f78d820e0bbf8ed4ba32f94a x86_64 postgresql-jdbc-42.2.14-4.el8_10.noarch.rpm SHA-256: acf10db9a65707cd63de4e2f21211e931857705e5a6e952ee1d14f0543fec9d5 postgresql-jdbc-javadoc-42.2.14-4.el8_10.noarch.rpm SHA-256: dec4ed017fcb4bbfa86f60f8b906a198baa1643eaaf56dd6ecde173aeb8e93ef Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 SRPM postgresql-jdbc-42.2.14-4.el8_10.src.rpm SHA-256: f4d8c894771d2cd2df9f18131d1fbdde12d3c6a7f78d820e0bbf8ed4ba32f94a aarch64 postgresql-jdbc-42.2.14-4.el8_10.noarch.rpm SHA-256: acf10db9a65707cd63de4e2f21211e931857705e5a6e952ee1d14f0543fec9d5 postgresql-jdbc-javadoc-42.2.14-4.el8_10.noarch.rpm SHA-256: dec4ed017fcb4bbfa86f60f8b906a198baa1643eaaf56dd6ecde173aeb8e93ef Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 SRPM postgresql-jdbc-42.2.14-4.el8_10.src.rpm SHA-256: f4d8c894771d2cd2df9f18131d1fbdde12d3c6a7f78d820e0bbf8ed4ba32f94a ppc64le postgresql-jdbc-42.2.14-4.el8_10.noarch.rpm SHA-256: acf10db9a65707cd63de4e2f21211e931857705e5a6e952ee1d14f0543fec9d5 postgresql-jdbc-javadoc-42.2.14-4.el8_10.noarch.rpm SHA-256: dec4ed017fcb4bbfa86f60f8b906a198baa1643eaaf56dd6ecde173aeb8e93ef Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 SRPM postgresql-jdbc-42.2.14-4.el8_10.src.rpm SHA-256: f4d8c894771d2cd2df9f18131d1fbdde12d3c6a7f78d820e0bbf8ed4ba32f94a s390x postgresql-jdbc-42.2.14-4.el8_10.noarch.rpm SHA-256: acf10db9a65707cd63de4e2f21211e931857705e5a6e952ee1d14f0543fec9d5 postgresql-jdbc-javadoc-42.2.14-4.el8_10.noarch.rpm SHA-256: dec4ed017fcb4bbfa86f60f8b906a198baa1643eaaf56dd6ecde173aeb8e93ef The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .