KLA11718
Multiple vulnerabilities in Opera

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to execute arbitrary code, bypass security restrictions, cause denial of service, obtain sensitive information, spoof user interface.

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in Bluetooth component can be exploited remotely via specially designed webpage to execute arbitrary code.
2. Buffer overflow vulnerability in password manager can be exploited remotely via specially designed webpage to execute arbitrary code.
3. Insufficient policy enforcement vulnerability in WebSockets can be exploited remotely via specially designed webpage to bypass same origin policy.
4. A heap buffer overflow vulnerability in JavaScript can be exploited remotely via specially designed webpage to cause denial of service.
5. A heap buffer overflow vulnerability in WebSockets can be exploited remotely via specially designed webpage to cause denial of service.
6. A heap buffer overflow vulnerability in WebAudio can be exploited remotely via specially designed webpage to cause denial of service.
7. A heap buffer overflow vulnerability in SQLite can be exploited remotely via specially designed webpage to cause denial of service.
8. An out of bounds write vulnerability in JavaScript can be exploited remotely via specially designed webpage to execute arbitrary code.
9. A heap buffer overflow vulnerability in PDFium can be exploited remotely via specially crafted PDF file to cause denial of service.
10. Insufficient policy enforcement vulnerability in autocomplete component can be exploited remotely via specially designed webpage to obtain sensitive information.
11. Insufficient policy enforcement vulnerability in navigation component can be exploited remotely via specially designed webpage to bypass site isolation.
12. Insufficient policy enforcement vulnerability in Omnibox can be exploited remotely via specially crafted domain name to perform domain spoofing.
13. Incorrect security vulnerability of UI in sharing component can be exploited remotely via specially designed webpage to perform domain spoofing.
14. Insufficient validation vulnerability in Blink can be exploited locally via specially crafted clipboard content to bypass same origin policy.
15. URL bar vulnerability in Omibox can be exploited remotely via specially crafted domain name to spoof the contents.
16. An UI spoof vulnerability in external protocol handling can be exploited remotely via specially designed webpage.
17. Cross-context information leak vulnerability in cookies can be exploited remotely via specially designed webpage.
18. Cross-context information leak vulnerability in audio can be exploited remotely via specially designed webpage.
19. Insufficient policy enforcement vulnerability in Omnibox can be exploited remotely via specially designed webpage to spoof the contents.
20. Uninitialized data structure in rendering component can be exploited remotely via specially designed webpage to cause denial of service.
21. Insufficient policy enforcement vulnerability in developer tools can be exploited locally via specially designed webpage to obtain sensitive information.
22. URL bar vulnerability in Omibox can be exploited remotely via specially designed webpage to spoof the contents.
23. Insufficient data validation vulnerability in SQLite can be exploited remotely via specially designed webpage to bypass defense-in-depth measures.
24. Uninitialized data structure in SQLite can be exploited remotely via specially designed webpage to obtain sensitive information.
25. An out of bounds read vulnerability in SQLite can be exploited remotely to obtain sensitive information.
26. Insufficient policy enforcement vulnerability in extensions can be exploited remotely via specially designed webpage to bypass navigation restrictions.
27. Insufficient security UI vulnerability in printing component can be exploited remotely via specially designed webpage to perform domain spoofing
28. Insufficient security UI vulnerability in Omnibox can be exploited remotely via specially crafted domain name to perform domain spoofing.
29. Insufficient policy enforcement vulnerability in navigation component can be exploited remotely via specially designed webpage to bypass navigation restrictions.
30. Insufficient security UI vulnerability in interstitials can be exploited remotely via specially designed webpage to perform domain spoofing.
31. Insufficient policy enforcement vulnerability in downloads can be exploited locally via local code to spoof downloaded files.
32. Cross-context information leak vulnerability in payments can be exploited remotely via specially designed webpage.
33. Stack corruption due to incorrect number of arguments in WebRTC code can be exploited remotely via specially designed website to cause denial of service.

Opera earlier than 66.0.3515.21

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Changelog for Opera 66
Stable Channel Update for Desktop