Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
| Link | Tags |
|---|---|
| https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html | release notes vendor advisory |
| https://crbug.com/1122487 | third party advisory permissions required |