| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | ≥ 53.0, < 60.1.0< 61.0 | 60.1.061.0 |
| firefox esr | < 52.9 | 52.9 |
| thunderbird | ≥ 52.9.1, < 60.0< 52.9 | 60.052.9 |
A compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file system without user consent or interaction. This could result in exposure of private local files. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
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