| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 52.0 | 52.0 |
| thunderbird | < 52.0 | 52.0 |
When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object. This triggers a use-after-free, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 52 and Thunderbird < 52.
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