high8.8Known exploited
CVE-2021-30666
Apple iOS WebKit Buffer Overflow Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2021-11-03. Federal due date: 2021-11-17.
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Impact
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.5.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Iphone Os | before 12.5.3 |