Multiple vulnerabilities in Opera

Popis

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

Below is a complete list of vulnerabilities:

1. Heap buffer overflow vulnerability in V8 can be exploited to cause denial of service.
2. Heap buffer overflow vulnerability in Tab Strip can be exploited to cause denial of service.
3. Heap buffer overflow vulnerability in Media can be exploited to cause denial of service.
4. Stack overflow vulnerability in Data Transfer can be exploited to cause denial of service.
5. Stack overflow vulnerability in GPU Process can be exploited to cause denial of service.
6. Use after free vulnerability in Payments can be exploited to cause denial of service or execute arbitrary code.
7. Use after free vulnerability in Web Sockets can be exploited to cause denial of service or execute arbitrary code.
8. Use after free vulnerability in Downloads can be exploited to cause denial of service or execute arbitrary code.

Oficiální doporučení

• Changelog for Opera 74

• Stable Channel Update for Desktop

Vykořisťování

Public exploits exist for this vulnerability.

Související produkty

• Opera

seznam CVE

• CVE-2021-21150
  critical
• CVE-2021-21156
  critical
• CVE-2021-21153
  critical
• CVE-2021-21157
  critical
• CVE-2021-21149
  critical
• CVE-2021-21152
  critical
• CVE-2021-21151
  critical
• CVE-2021-21154
  critical
• CVE-2021-21155
  critical

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