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, bypass security restrictions.

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in autofill component can be exploited to execute arbitrary code or cause denial service.
2. Data validation vulnerability in networking component can be exploited to bypass security restrictions.
3. Use after free vulnerability in media component can be exploited to execute arbitrary code or cause denial service.
4. Heap buffer overflow vulnerability in audio component can be exploited to cause denial of service.
5. Use after free vulnerability in safe browsing component can be exploited to execute arbitrary code or cause denial service.
6. Use after free vulnerability in Blink can be exploited to execute arbitrary code or cause denial service.
7. Policy enforcement vulnerability in WebUI can be exploited to bypass security restrictions.
8. Use after free vulnerability in drag and drop component can be exploited to execute arbitrary code or cause denial service.
9. Heap buffer overflow vulnerability in Skia can be exploited to cause denial of service.
10. Use after free vulnerability in audio component can be exploited to execute arbitrary code or cause denial service.
11. Out of bounds write vulnerability in V8 can be exploited to cause denial of service.
12. Use after free vulnerability in payments component can be exploited to execute arbitrary code or cause denial service.

Original advisories

• Changelog for Opera 73

• 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-2021-21106
  critical
• CVE-2021-21114
  critical
• CVE-2021-21115
  critical
• CVE-2020-16043
  critical
• CVE-2021-21109
  critical
• CVE-2021-21116
  critical
• CVE-2021-21107
  critical
• CVE-2021-21112
  critical
• CVE-2021-21110
  critical
• CVE-2021-21111
  critical
• CVE-2021-21113
  critical
• CVE-2020-15995
  critical
• CVE-2021-21108
  critical

Read more

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