KLA12176
Multiple vulnerabilities in Opera

Updated: 05/18/2021
Detect date
?
05/06/2021
Severity
?
Warning
Description

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to cause denial of service, bypass security restrictions, spoof user interface.

Below is a complete list of vulnerabilities:

  1. A heap buffer overflow vulnerability in ANGLE can be exploited to cause denial of service.
  2. A data validation vulnerability in V8 can be exploited to bypass security restrictions.
  3. A use after free vulnerability in Dev Tools can be exploited to cause denial of service or execute arbitrary code.
  4. A security UI vulnerability in downloads component can be exploited to spoof user interface.
  5. A policy enforcement vulnerability in extensions component can be exploited to bypass security restrictions.
  6. A type confusion vulnerability in V8 can be exploited to cause dneial of service.
Affected products

Opera earlier than 76.0.4017.107

Solution

Update to the latest version
Download Opera

Original advisories

Changelog for Opera 76
Stable Channel Update for Desktop

Impacts
?
DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Opera
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