| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | ≥ 78.0, < 78.1< 79.0 | 78.179.0 |
| firefox esr | < 68.11 | 68.11 |
| thunderbird | ≥ 78.0, < 78.1< 68.11 | 78.168.11 |
By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.
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