| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 115.11.0< 126.0 | 115.11.0126.0 |
| thunderbird | < 115.11.0 | 115.11.0 |
When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
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