Multiple vulnerabilities in Opera

Description

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to bypass security restrictions, execute arbitrary code, cause denial of service.

Below is a complete list of vulnerabilities:

1. Policy enforcement vulnerability in Cookies can be exploited to bypass security restrictions.
2. Use after free vulnerability in Chrome OS Shell can be exploited to cause denial of service or execute arbitrary code.
3. Use after free vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
4. Implementation vulnerability in Extensions API can be exploited to cause denial of service.
5. Use after free vulnerability in FedCM can be exploited to cause denial of service or execute arbitrary code.
6. Validation of untrusted input vulnerability in Intents can be exploited to cause denial of service.
7. Use after free vulnerability in Blink can be exploited to cause denial of service or execute arbitrary code.
8. Use after free vulnerability in Sign-In Flow can be exploited to cause denial of service or execute arbitrary code.
9. Heap buffer overflow vulnerability in Downloads can be exploited to cause denial of service.
10. Use after free vulnerability in SwiftShader can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• Changelog for 90

• 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-2022-2856
  high
• CVE-2022-2855
  critical
• CVE-2022-2858
  critical
• CVE-2022-2861
  high
• CVE-2022-2853
  critical
• CVE-2022-2854
  critical
• CVE-2022-2852
  critical
• CVE-2022-2857
  critical
• CVE-2022-2859
  critical
• CVE-2022-2860
  high

Read more

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