KLA12399
Multiple vulnerabilities in Opera

Updated: 12/27/2021
Detect date
?
12/21/2021
Severity
?
Warning
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. Data validation vulnerability in Mojo can be exploited to bypass security restrictions.
  2. Use after free vulnerability in V8 can be exploited to cause denial of service or execute arbitrary code.
  3. Heap buffer overflow vulnerability in Swiftshader can be exploited to cause denial of service.
  4. Use after free vulnerability in Swiftshader can be exploited to cause denial of service or execute arbitrary code.
  5. Security bypass vulnerability in ANGLE can be exploited to bypass security restrictions.
Affected products

Opera earlier than 82.0.4227.43

Solution

Update to the latest version
Download Opera

Original advisories

Changelog for Opera 82
Stable Channel Update for Desktop

Impacts
?
ACE 
[?]

DoS 
[?]

SB 
[?]
Related products
Opera
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