Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2026:3730 https://access.redhat.com/errata/RHSA-2026:3730
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2026:3887 https://access.redhat.com/errata/RHSA-2026:3887
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2026:3896 https://access.redhat.com/errata/RHSA-2026:3896
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2026:4024 https://access.redhat.com/errata/RHSA-2026:4024
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2026:4059 https://access.redhat.com/errata/RHSA-2026:4059
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2026:4063 https://access.redhat.com/errata/RHSA-2026:4063
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2026:4064 https://access.redhat.com/errata/RHSA-2026:4064
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat Enterprise Linux 8.8 Telecommunications Update Service Via RHSA-2026:4074 https://access.redhat.com/errata/RHSA-2026:4074
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat Enterprise Linux 8.8 Telecommunications Update Service Via RHSA-2026:4075 https://access.redhat.com/errata/RHSA-2026:4075
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2026:4110 https://access.redhat.com/errata/RHSA-2026:4110
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2026:4254 https://access.redhat.com/errata/RHSA-2026:4254
This issue has been addressed in the following products: Red Hat Enterprise Linux 10.0 Extended Update Support Via RHSA-2026:4441 https://access.redhat.com/errata/RHSA-2026:4441
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2026:4475 https://access.redhat.com/errata/RHSA-2026:4475
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2026:4506 https://access.redhat.com/errata/RHSA-2026:4506
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Via RHSA-2026:4504 https://access.redhat.com/errata/RHSA-2026:4504
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat Enterprise Linux 8.6 Telecommunications Update Service Via RHSA-2026:4505 https://access.redhat.com/errata/RHSA-2026:4505
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Via RHSA-2026:4509 https://access.redhat.com/errata/RHSA-2026:4509
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat Enterprise Linux 8.6 Telecommunications Update Service Via RHSA-2026:4516 https://access.redhat.com/errata/RHSA-2026:4516
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2026:4518 https://access.redhat.com/errata/RHSA-2026:4518
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Via RHSA-2026:4515 https://access.redhat.com/errata/RHSA-2026:4515
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2026:4524 https://access.redhat.com/errata/RHSA-2026:4524
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.6 Extended Update Support Via RHSA-2026:4528 https://access.redhat.com/errata/RHSA-2026:4528
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.6 Extended Update Support Via RHSA-2026:4546 https://access.redhat.com/errata/RHSA-2026:4546
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2026:4544 https://access.redhat.com/errata/RHSA-2026:4544
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.6 Extended Update Support Via RHSA-2026:4547 https://access.redhat.com/errata/RHSA-2026:4547
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2026:4548 https://access.redhat.com/errata/RHSA-2026:4548