6.5
Medium
CVE-2021-4128 When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory…
Description
When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 95 | earliest → < 95 | 95 |
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