Kaspersky ID:
KLA12292
Data de detecção:
09/14/2021
Atualizado:
04/06/2026

Descrição

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

Below is a complete list of vulnerabilities:

  1. Use after free vulnerability in Base internals can be exploited to cause denial of service or execute arbitrary code.
  2. Policy enforcement vulnerability in Blink can be exploited to bypass security restrictions.
  3. Use after free vulnerability in Web Share can be exploited to cause denial of service or execute arbitrary code.
  4. Use after free vulnerability in Extenstions API can be exploited to cause denial of service or execute arbitrary code.
  5. Data leak vulnerability in Navigation can be exploited to obtain sensitive information.
  6. Use after free vulnerability in Media can be exploited to cause denial of service or execute arbitrary code.
  7. Implementation vulnerability in DevTools can be exploited to cause denial of service.
  8. Security UI vulnerability in Autofill can be exploited to spoof user interface.
  9. Heap buffer overflow vulnerability in TabStrip can be exploited to cause denial of service.
  10. Use after free vulnerability in Permissions can be exploited to cause denial of service or execute arbitrary code.
  11. Use after free vulnerability in Bookmarks can be exploited to cause denial of service or execute arbitrary code.
  12. Use after free vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.
  13. Use after free vulnerability in WebApp Installs can be exploited to cause denial of service or execute arbitrary code.
  14. Use after free vulnerability in Sign-Incan be exploited to cause denial of service or execute arbitrary code.
  15. Use after free vulnerability in Blink can be exploited to cause denial of service or execute arbitrary code.
  16. Use after free vulnerability in Autofill can be exploited to cause denial of service or execute arbitrary code.
  17. Policy bypass vulnerability in Blink can be exploited to bypass security restrictions.

Comunicados originais

Exploração

Public exploits exist for this vulnerability.

Produtos relacionados

Lista de CVE

  • CVE-2021-30622
    critical
  • CVE-2021-30624
    critical
  • CVE-2021-30620
    critical
  • CVE-2021-30621
    high
  • CVE-2021-30613
    critical
  • CVE-2021-30607
    critical
  • CVE-2021-30618
    critical
  • CVE-2021-30609
    critical
  • CVE-2021-30611
    critical
  • CVE-2021-30610
    critical
  • CVE-2021-30616
    critical
  • CVE-2021-30606
    critical
  • CVE-2021-30619
    high
  • CVE-2021-30608
    critical
  • CVE-2021-30612
    critical
  • CVE-2021-30615
    high
  • CVE-2021-30623
    critical
  • CVE-2021-30617
    high
  • CVE-2021-30614
    critical

Saiba mais

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