Multiple vulnerabilities in Opera

Description

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

Below is a complete list of vulnerabilities:

1. Type confusion vulnerability in V8 can be exploited to cause denial of service.
2. Use after free vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.
3. Use after free vulnerability in Cast can be exploited to cause denial of service or execute arbitrary code.
4. Out of bounds read vulnerability in WebGL can be exploited to cause denial of service.
5. Implementation vulnerability in Extensions can be exploited to cause denial of service.
6. Out of bounds memory access vulnerability in ANGLE can be exploited to cause denial of service.
7. Heap buffer overflow vulnerability in Visuals can be exploited to cause denial of service.
8. Data validation vulnerability in Extensions can be exploited to cause denial of service.
9. Use after free vulnerability in Blink Task Scheduling can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• Stable Channel Update for Desktop

• Opera 101.0.4843.43 Stable update

Exploitation

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

Related products

• Opera

CVE list

• CVE-2023-4071
  critical
• CVE-2023-4072
  critical
• CVE-2023-4077
  critical
• CVE-2023-4074
  critical
• CVE-2023-4075
  critical
• CVE-2023-4076
  critical
• CVE-2023-4069
  critical
• CVE-2023-4078
  critical
• CVE-2023-4068
  critical
• CVE-2023-4073
  critical
• CVE-2023-4070
  critical

Read more

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