| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 78.0 | 78.0 |
| firefox esr | < 68.10.0 | 68.10.0 |
| thunderbird | < 68.10.0 | 68.10.0 |
Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. *Note: this issue only affects Firefox on ARM64 platforms.* This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
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