| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 52.8.0 | 52.8.0 |
| thunderbird | < 52.8.0 | 52.8.0 |
| thunderbird esr | < 52.8.0 | 52.8.0 |
A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.
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