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A lack of parameter validation on IPC messages results in a potential out-of-bounds write through malformed IPC messages. This can potentially allow for sandbox escape through memory corruption in the parent process. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59.
Base Score
8.6
| Base Score | 8.6 |
|---|---|
| Vector String | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |
| Base Severity | High |
| Version | 3.0 |
| Attack Vector (AV) | NETWORK |
