Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. 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 < 143 and Firefox ESR < 140.3.
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2025:16109 https://access.redhat.com/errata/RHSA-2025:16109
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2025:16108 https://access.redhat.com/errata/RHSA-2025:16108
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2025:16156 https://access.redhat.com/errata/RHSA-2025:16156
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2025:16157 https://access.redhat.com/errata/RHSA-2025:16157
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2025:16260 https://access.redhat.com/errata/RHSA-2025:16260
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2025:16589 https://access.redhat.com/errata/RHSA-2025:16589
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-2025:17341 https://access.redhat.com/errata/RHSA-2025:17341
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2025:17340 https://access.redhat.com/errata/RHSA-2025:17340
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-2025:17342 https://access.redhat.com/errata/RHSA-2025:17342
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2025:17344 https://access.redhat.com/errata/RHSA-2025:17344
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-2025:17343 https://access.redhat.com/errata/RHSA-2025:17343
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2025:17345 https://access.redhat.com/errata/RHSA-2025:17345
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2025:17346 https://access.redhat.com/errata/RHSA-2025:17346
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-2025:17368 https://access.redhat.com/errata/RHSA-2025:17368
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-2025:17367 https://access.redhat.com/errata/RHSA-2025:17367
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2025:17372 https://access.redhat.com/errata/RHSA-2025:17372
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-2025:17371 https://access.redhat.com/errata/RHSA-2025:17371
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2025:17373 https://access.redhat.com/errata/RHSA-2025:17373
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2025:17374 https://access.redhat.com/errata/RHSA-2025:17374
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2025:17378 https://access.redhat.com/errata/RHSA-2025:17378
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Extended Lifecycle Support Via RHSA-2025:17453 https://access.redhat.com/errata/RHSA-2025:17453