Multiple vulnerabilities were found in Apple iCloud. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, perform cross-site scripting attack, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. A logic vulnerability in WebKit can be exploited to bypass security restrictions.
2. Buffer overflow vulnerability in libxml2 can be exploited to cause denial of service.
3. Memory corruption vulnerability in WebKit can be exploited via a specially crafted webpage to execute arbitrary code.
4. A type confusion vulnerability in WebKit can be exploited via a specially crafted webpage to execute arbitrary code.
5. An input validation vulnerability in WebKit can be exploited via specially crafted webpage to perform cross-site scripting attacks.
6. A race condition vulnerability in WebKit can be exploited to obtain sensitive information.
7. A type confusion vulnerability in WebKit can be exploited remotely to execute arbitrary code.
8. Use after free vulnerability in WebKit can be exploited via a specially crafted webpage to execute arbitrary code.
9. A memory consumption vulnerability in WebKit can be exploited remotely to execute arbitrary code.
10. A logic vulnerability in WebKit Loading Page can be exploited to bypass security restrictions.

Apple iCloud earlier than 7.18
Apple iCloud earlier than 10.9.3

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About the security content of iCloud for Windows 7.18
About the security content of iCloud for Windows 10.9.3