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 ANGLE can be exploited to cause denial of service or execute arbitrary code.
2. Race condition vulnerability in WebAudio can be exploited to cause denial of service.
3. Type confusion vulnerability in V8 can be exploited to cause denial of service.
4. Use after free vulnerability in Extensions API can be exploited to cause denial of service or execute arbitrary code.
5. Use after free vulnerability in Printing can be exploited to cause denial of service or execute arbitrary code.
6. Use after free vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• Changelog for Opera 78

• Stable Channel Update for Desktop

Related products

• Opera

CVE list

• CVE-2021-30601
  unknown
• CVE-2021-30603
  unknown
• CVE-2021-30598
  unknown
• CVE-2021-30604
  unknown
• CVE-2021-30600
  unknown
• CVE-2021-30602
  unknown
• CVE-2021-30599
  unknown

Read more

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