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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.
Base Score
8.1
| Base Score | 8.1 |
|---|---|
| Vector String | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Base Severity | High |
| Version | 3.0 |
| Attack Vector (AV) | NETWORK |
