Red Hat Product Errata RHSA-2026:24348 - Security Advisory Issued: 2026-06-08 Updated: 2026-06-08 RHSA-2026:24348 - 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 10. 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 10 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64 Red Hat Enterprise Linux for IBM z Systems 10 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x Red Hat Enterprise Linux for Power, little endian 10 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le Red Hat Enterprise Linux for ARM 64 10 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 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 10 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 x86_64 postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 x86_64 postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for IBM z Systems 10 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 s390x postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 s390x postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for Power, little endian 10 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 ppc64le postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 ppc64le postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for ARM 64 10 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 aarch64 postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 aarch64 postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 aarch64 postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 s390x postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 ppc64le postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 x86_64 postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 x86_64 postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 aarch64 postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 ppc64le postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 SRPM postgresql-jdbc-42.7.2-1.el10_2.2.src.rpm SHA-256: 7a9375b1fc992ffe5b287d8ded3bb5d1758125fce010d7750541fc672aa56e75 s390x postgresql-jdbc-42.7.2-1.el10_2.2.noarch.rpm SHA-256: a0523745c0478a305e68d3029775e3bd4fe94e60bc75289721e822e3a3290d19 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .