CVE-2021-23981
High
Description
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.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Mozilla Firefox
PublishedMar 31, 2021
First seenMar 31, 2021
How to fix
Update
- mozilla firefox87.0 or later
- mozilla firefox_esr78.9 or later
- mozilla thunderbird78.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 87.0 | 87.0 |
| mozilla firefox_esr | v < 78.9 | 78.9 |
| mozilla thunderbird | v < 78.9 | 78.9 |
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