In libxml2 before 2.13.8 and 2.14.x before 2.14.2, xmlSchemaIDCFillNodeTables in xmlschemas.c has a heap-based buffer under-read. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2025:13203 https://access.redhat.com/errata/RHSA-2025:13203
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2025:13428 https://access.redhat.com/errata/RHSA-2025:13428
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2025:13429 https://access.redhat.com/errata/RHSA-2025:13429
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2025:13677 https://access.redhat.com/errata/RHSA-2025:13677
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2025:13684 https://access.redhat.com/errata/RHSA-2025:13684
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2025:13683 https://access.redhat.com/errata/RHSA-2025:13683
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2025:13689 https://access.redhat.com/errata/RHSA-2025:13689
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-2025:13688 https://access.redhat.com/errata/RHSA-2025:13688
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-2025:13788 https://access.redhat.com/errata/RHSA-2025:13788
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Extended Lifecycle Support Via RHSA-2025:13789 https://access.redhat.com/errata/RHSA-2025:13789
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-2025:13806 https://access.redhat.com/errata/RHSA-2025:13806
This issue has been addressed in the following products: Red Hat JBoss Core Services 2.4.62.SP1 Via RHSA-2025:13681 https://access.redhat.com/errata/RHSA-2025:13681
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.17 Via RHSA-2025:14059 https://access.redhat.com/errata/RHSA-2025:14059
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.19 Via RHSA-2025:14819 https://access.redhat.com/errata/RHSA-2025:14819
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.18 Via RHSA-2025:14818 https://access.redhat.com/errata/RHSA-2025:14818
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.14 Via RHSA-2025:14853 https://access.redhat.com/errata/RHSA-2025:14853
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.16 Via RHSA-2025:14858 https://access.redhat.com/errata/RHSA-2025:14858
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.12 Via RHSA-2025:15308 https://access.redhat.com/errata/RHSA-2025:15308
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.13 Via RHSA-2025:15672 https://access.redhat.com/errata/RHSA-2025:15672
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.15 Via RHSA-2025:16159 https://access.redhat.com/errata/RHSA-2025:16159