| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 67.0 | 67.0 |
| firefox esr | < 60.7 | 60.7 |
| thunderbird | < 60.7 | 60.7 |
A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. *Note: this vulnerability has only been demonstrated with UnboxedObjects, which are disabled by default on all supported releases.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
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