| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | ≥ 140.0, < 140.1.0< 128.13.0< 141.0 | 140.1.0128.13.0141.0 |
| thunderbird | ≥ 140.0, < 140.1.0< 128.13.0< 141.0 | 140.1.0128.13.0141.0 |
Memory safety bugs present in Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
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