| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 52.7.0< 59.0 | 52.7.059.0 |
| thunderbird | < 52.7.0 | 52.7.0 |
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.
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