| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 52.6.0< 58.0 | 52.6.058.0 |
| thunderbird | < 52.6.0 | 52.6.0 |
An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 8 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
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