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. Use after free vulnerability in Cast UI and Toolbar can be exploited to cause denial of service or execute arbitrary code.
2. Use after free vulnerability in PDF can be exploited to cause denial of service or execute arbitrary code.
3. Validation of untrusted input vulnerability in File can be exploited to cause denial of service.
4. Use after free vulnerability in Guest View can be exploited to cause denial of service or execute arbitrary code.
5. Use after free vulnerability in Service Worker API can be exploited to cause denial of service or execute arbitrary code.
6. Use after free vulnerability in Views can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• Changelog for 89

• Stable Channel Update for Desktop

Exploitation

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

Related products

• Opera

CVE list

• CVE-2022-2163
  critical
• CVE-2022-2478
  critical
• CVE-2022-2479
  warning
• CVE-2022-2477
  critical
• CVE-2022-2480
  critical
• CVE-2022-2481
  critical

Read more

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