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.
| Type | CWE ID | Description |
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| text | N/A | Buffer overflow during UTF-8 to Unicode string conversion through legacy extension |
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