KLA12435
Multiple vulnerabilities in Opera

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service.

Below is a complete list of vulnerabilities:

1. Heap buffer overflow vulnerability in Task Manager can be exploited to execute arbitrary code or cause denial of service.
2. Use after free vulnerability in Printing can be exploited to cause denial of service or execute arbitrary code.
3. Implementation vulnerability in Service Worker API can be exploited to cause denial of service.
4. Use after free vulnerability in site isolation can be exploited to cause denial of service or execute arbitrary code.
5. Use after free vulnerability in Omnibox can be exploited to cause denial of service or execute arbitrary code.
6. Heap buffer overflow vulnerability in DevTools can be exploited to execute arbitrary code or cause denial of service.
7. Use after free vulnerability in Data Transfer can be exploited to cause denial of service or execute arbitrary code.
8. Implementation vulnerability in Autofill can be exploited to cause denial of service.
9. Use after free vulnerability in web packaging can be exploited to cause denial of service or execute arbitrary code.
10. Heap buffer overflow vulnerability in PDFium can be exploited to execute arbitrary code or cause denial of service.
11. Use after free vulnerability in Optimization Guide can be exploited to cause denial of service or execute arbitrary code.
12. Use after free vulnerability in Scheduling can be exploited to cause denial of service or execute arbitrary code.
13. Use after free vulnerability in Vulkan can be exploited to cause denial of service or execute arbitrary code.
14. Use after free vulnerability in Bookmarks can be exploited to cause denial of service or execute arbitrary code.
15. Implementation vulnerability in Fenced Frames can be exploited to cause denial of service.
16. Implementation vulnerability in Storage can be exploited to cause denial of service.
17. Use after free vulnerability in safe browsing can be exploited to cause denial of service or execute arbitrary code.
18. Use after free vulnerability in Text Input Method Editor can be exploited to cause denial of service or execute arbitrary code.
19. Implementation vulnerability in push messaging can be exploited to cause denial of service.

Opera earlier than 83.0.4254.27

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Changelog for Opera 83
Stable Channel Update for Desktop