Memory safety bugs present in Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2025:11747 https://access.redhat.com/errata/RHSA-2025:11747
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2025:11748 https://access.redhat.com/errata/RHSA-2025:11748
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2025:11797 https://access.redhat.com/errata/RHSA-2025:11797
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2025:12045 https://access.redhat.com/errata/RHSA-2025:12045
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2025:12046 https://access.redhat.com/errata/RHSA-2025:12046
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2025:12044 https://access.redhat.com/errata/RHSA-2025:12044
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2025:12188 https://access.redhat.com/errata/RHSA-2025:12188
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2025:12187 https://access.redhat.com/errata/RHSA-2025:12187
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Extended Lifecycle Support Via RHSA-2025:12278 https://access.redhat.com/errata/RHSA-2025:12278
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-2025:12302 https://access.redhat.com/errata/RHSA-2025:12302
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2025:12353 https://access.redhat.com/errata/RHSA-2025:12353
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-2025:12360 https://access.redhat.com/errata/RHSA-2025:12360
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-2025:12361 https://access.redhat.com/errata/RHSA-2025:12361
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-2025:13646 https://access.redhat.com/errata/RHSA-2025:13646
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2025:13647 https://access.redhat.com/errata/RHSA-2025:13647
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2025:13648 https://access.redhat.com/errata/RHSA-2025:13648
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2025:13645 https://access.redhat.com/errata/RHSA-2025:13645
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-2025:13650 https://access.redhat.com/errata/RHSA-2025:13650
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-2025:13651 https://access.redhat.com/errata/RHSA-2025:13651
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2025:13649 https://access.redhat.com/errata/RHSA-2025:13649
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2025:13676 https://access.redhat.com/errata/RHSA-2025:13676