| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 87.0 | 87.0 |
| firefox esr | < 78.9 | 78.9 |
| thunderbird | < 78.9 | 78.9 |
A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
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