| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 99.0 | 99.0 |
| firefox esr | < 91.8 | 91.8 |
| thunderbird | < 91.8 | 91.8 |
When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
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