Multiple vulnerabilities in Opera

Description

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. A use after free vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.
2. A heap buffer overflow vulnerability in tab groups can be exploited to cause denial of service.
3. A use after free vulnerability in Blink can be exploited to cause denial of service or execute arbitrary code.

Fiches de renseignement originales

• Changelog for Opera 75

• Stable Channel Update for Desktop

Exploitation

Public exploits exist for this vulnerability.

Produits associés

• Opera

Liste CVE

• CVE-2021-21193
  critical
• CVE-2021-21191
  critical
• CVE-2021-21192
  critical

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