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 Autofill can be exploited to bypass security restrictions.
2. Data validation vulnerability in New Tab Page can be exploited to bypass security restrictions.
3. Use after vulnerability free in Web Transport can be exploited to cause denial of service or execute arbitrary code.
4. Type confusion vulnerability in V8 can be exploited to cause denial of service.
5. Implementation vulnerability in V8 can be exploited to cause denial of service.
6. Use after vulnerability free in Garbage Collections can be exploited to cause denial of service or execute arbitrary code.
7. Validation of untrusted input vulnerability in Intents can be exploited to bypass security restrictions.
8. Use after vulnerability free in Sign-In can be exploited to cause denial of service or execute arbitrary code.

Fiches de renseignement originales

• Changelog for Opera 81

• 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.

Produits associés

• Opera

Liste CVE

• CVE-2021-37999
  high
• CVE-2021-38003
  critical
• CVE-2021-38000
  high
• CVE-2021-38002
  critical
• CVE-2021-37997
  critical
• CVE-2021-37998
  critical
• CVE-2021-38001
  critical
• CVE-2021-38004
  warning

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