KLA20197
Multiple vulnerabilities in Opera

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

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in Web Workers can be exploited to cause denial of service or execute arbitrary code.
2. Use after free vulnerability in WebCodecs vulnerability can be exploited to cause denial of service or execute arbitrary code.
3. Heap buffer overflow vulnerability in Crashpad can be exploited to cause denial of service.
4. Type confusion vulnerability in V8 can be exploited to cause denial of service.
5. Use after free vulnerability in V8 can be exploited to cause denial of service or execute arbitrary code.
6. Use after free vulnerability in Speech Recognition can be exploited to cause denial of service or execute arbitrary code.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Opera earlier than 93.0.4585.21

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