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, spoof user interface.

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in media component can be exploited to cause denial of service or execute arbitrary code.
2. Use after free vulnerability in media mode can be exploited to cause denial of service or execute arbitrary code.
3. Use after free vulnerability in IndexedDB can be exploited to cause denial of service or execute arbitrary code.
4. Use after free vulnerability in WebXR can be exploited to cause denial of service or execute arbitrary code.
5. Heap buffer overflow vulnerability in Skia can be exploited to cause denial of service.
6. Use after free vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
7. Use after free vulnerability in audio mode can be exploited to cause denial of service or execute arbitrary code.
8. Use after free vulnerability in task scheduling component can be exploited to cause denial of service or execute arbitrary code.
9. Use after free vulnerability in Blink can be exploited to cause denial of service or execute arbitrary code.
10. Implementation vulnerability in installer component can be exploited to bypass security vulnerability.
11. Security UI vulnerability in media component can be exploited to spoof user interface.
12. Out of bounds read vulnerability in WebGL can be exploited to cause denial of service.
13. Use after free vulnerability in offline mode can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• Changelog for Opera 70

• 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-2020-6547
  high
• CVE-2020-6550
  critical
• CVE-2020-6553
  critical
• CVE-2020-6544
  critical
• CVE-2020-6542
  critical
• CVE-2020-6545
  critical
• CVE-2020-6554
  critical
• CVE-2020-6551
  critical
• CVE-2020-6548
  critical
• CVE-2020-6546
  critical
• CVE-2020-6543
  critical
• CVE-2020-6552
  critical
• CVE-2020-6549
  critical
• CVE-2020-6555
  critical

Read more

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