| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 136.0 | 136.0 |
| thunderbird | < 136.0 | 136.0 |
When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string. This vulnerability was fixed in Firefox 136 and Thunderbird 136.
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