This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
The product uses a web-client protection mechanism such as a Content Security Policy (CSP) or cross-domain policy file, but the policy includes untrusted domains with which the web client is allowed to communicate.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firefox | Mozilla | * | 140.3.0 (excluding) |
| Firefox | Mozilla | * | 143.0 (excluding) |
| Thunderbird | Mozilla | * | 143.0 (excluding) |
| Red Hat Enterprise Linux 10 | RedHat | firefox-0:140.3.0-1.el10_0 | * |
| Red Hat Enterprise Linux 10 | RedHat | thunderbird-0:140.3.0-1.el10_0 | * |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | RedHat | firefox-0:140.3.0-1.el7_9 | * |
| Red Hat Enterprise Linux 8 | RedHat | firefox-0:140.3.0-1.el8_10 | * |
| Red Hat Enterprise Linux 8 | RedHat | thunderbird-0:140.3.0-1.el8_10 | * |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | RedHat | thunderbird-0:140.3.0-1.el8_2 | * |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | RedHat | firefox-0:140.3.0-1.el8_2 | * |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | RedHat | thunderbird-0:140.3.0-1.el8_4 | * |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | RedHat | firefox-0:140.3.0-1.el8_4 | * |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | RedHat | thunderbird-0:140.3.0-1.el8_4 | * |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | RedHat | firefox-0:140.3.0-1.el8_4 | * |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | RedHat | thunderbird-0:140.3.0-1.el8_6 | * |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | RedHat | firefox-0:140.3.0-1.el8_6 | * |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | RedHat | thunderbird-0:140.3.0-1.el8_6 | * |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | RedHat | firefox-0:140.3.0-1.el8_6 | * |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | RedHat | thunderbird-0:140.3.0-1.el8_6 | * |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | RedHat | firefox-0:140.3.0-1.el8_6 | * |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | RedHat | thunderbird-0:140.3.0-1.el8_8 | * |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | RedHat | firefox-0:140.3.0-1.el8_8 | * |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | RedHat | thunderbird-0:140.3.0-1.el8_8 | * |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | RedHat | firefox-0:140.3.0-1.el8_8 | * |
| Red Hat Enterprise Linux 9 | RedHat | firefox-0:140.3.0-1.el9_6 | * |
| Red Hat Enterprise Linux 9 | RedHat | thunderbird-0:140.3.0-1.el9_6 | * |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | RedHat | thunderbird-0:140.3.0-1.el9_0 | * |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | RedHat | firefox-0:140.3.0-1.el9_0 | * |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | RedHat | thunderbird-0:140.3.0-1.el9_2 | * |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | RedHat | firefox-0:140.3.0-1.el9_2 | * |
| Red Hat Enterprise Linux 9.4 Extended Update Support | RedHat | thunderbird-0:140.3.0-1.el9_4 | * |
| Red Hat Enterprise Linux 9.4 Extended Update Support | RedHat | firefox-0:140.3.0-1.el9_4 | * |
| Mozjs102 | Ubuntu | esm-apps/noble | * |
| Mozjs102 | Ubuntu | jammy | * |
| Mozjs102 | Ubuntu | noble | * |
| Mozjs115 | Ubuntu | devel | * |
| Mozjs115 | Ubuntu | noble | * |
| Mozjs115 | Ubuntu | plucky | * |
| Mozjs115 | Ubuntu | questing | * |
| Mozjs52 | Ubuntu | esm-apps/focal | * |
| Mozjs52 | Ubuntu | esm-infra/bionic | * |
| Mozjs68 | Ubuntu | esm-infra/focal | * |
| Mozjs78 | Ubuntu | esm-apps/jammy | * |
| Mozjs78 | Ubuntu | jammy | * |
| Mozjs91 | Ubuntu | jammy | * |
| Thunderbird | Ubuntu | jammy | * |
If a cross-domain policy file includes domains that should not be trusted, such as when using wildcards under a high-level domain, then the application could be attacked by these untrusted domains. In many cases, the attack can be launched without the victim even being aware of it.