Use after free in Selection API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who convinced the user the visit a malicious website to potentially exploit heap corruption via a crafted HTML page.
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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://crbug.com/1237533 | permissions required vendor advisory |
| https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html | release notes vendor advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ | vendor advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ | vendor advisory |
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1352 | third party advisory exploit |