| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | ≥ 128.0, < 128.13.0≥ 140.0, < 140.1.0< 115.26.0< 141.0 | 128.13.0140.1.0115.26.0141.0 |
| thunderbird | ≥ 140.0, < 140.1.0< 128.13.0< 141.0 | 140.1.0128.13.0141.0 |
The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
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