| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 75.0 | 75.0 |
| firefox esr | < 68.7.0 | 68.7.0 |
| thunderbird | < 68.7.0 | 68.7.0 |
On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.
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