Same-origin policy bypass in the Request Handling component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
The product does not properly verify that the source of data or communication is valid.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firefox | Mozilla | * | 115.31.0 (excluding) |
| Firefox | Mozilla | * | 146.0 (excluding) |
| Firefox | Mozilla | 116.0 (including) | 140.6.0 (excluding) |
| Thunderbird | Mozilla | * | 140.6.0 (excluding) |
| Thunderbird | Mozilla | * | 146.0 (excluding) |
| Red Hat Enterprise Linux 10 | RedHat | firefox-0:140.6.0-1.el10_1 | * |
| Red Hat Enterprise Linux 8 | RedHat | firefox-0:140.6.0-1.el8_10 | * |
| Red Hat Enterprise Linux 9 | RedHat | firefox-0:140.6.0-1.el9_7 | * |
| Mozjs102 | Ubuntu | esm-apps/noble | * |
| Mozjs102 | Ubuntu | jammy | * |
| Mozjs102 | Ubuntu | noble | * |
| Mozjs115 | Ubuntu | noble | * |
| Mozjs115 | Ubuntu | plucky | * |
| 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 | * |