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, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. Type confusion vulnerability in Blink layout can be exploited to cause denial of service.
2. Stack buffer overflow vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
3. Use after free vulnerability in Indexed DB API can be exploited to cause denial of service or execute arbitrary code.
4. Implementation vulnerability in Blink can be exploited to cause denial of service.
5. Out of bounds write vulnerability in V8 can be exploited to cause denial of service or execute arbitrary code.
6. Use after free vulnerability in Selection API can be exploited to cause denial of service or execute arbitrary code.
7. Use after free vulnerability in Permissions can be exploited to cause denial of service or execute arbitrary code.
8. Out of bounds memory access vulnerability in ANGLE can be exploited to cause denial of service, execute arbitrary code or obtain sensitive information.

Original advisories

• Changelog for Opera 79

• Stable Channel Update for Desktop

Exploitation

Public exploits exist for this vulnerability.

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

Related products

• Opera

CVE list

• CVE-2021-30628
  critical
• CVE-2021-30633
  critical
• CVE-2021-30630
  warning
• CVE-2021-30632
  critical
• CVE-2021-30629
  critical
• CVE-2021-30627
  critical
• CVE-2021-30626
  critical
• CVE-2021-30625
  critical
• CVE-2021-30631
  warning

Read more

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