KLA12268
Multiple vulnerabilities in Opera

Updated: 09/03/2021
Detect date
?
08/25/2021
Severity
?
High
Description

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

Below is a complete list of vulnerabilities:

  1. Use after free vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
  2. Race condition vulnerability in WebAudio can be exploited to cause denial of service.
  3. Type confusion vulnerability in V8 can be exploited to cause denial of service.
  4. Use after free vulnerability in Extensions API can be exploited to cause denial of service or execute arbitrary code.
  5. Use after free vulnerability in Printing can be exploited to cause denial of service or execute arbitrary code.
  6. Use after free vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.
Affected products

Opera earlier than 78.0.4093.184

Solution

Update to the latest version
Download Opera

Original advisories

Changelog for Opera 78
Stable Channel Update for Desktop

Impacts
?
ACE 
[?]

DoS 
[?]
Related products
Opera
CVE-IDS
?
CVE-2021-306010.0Unknown
CVE-2021-306030.0Unknown
CVE-2021-305980.0Unknown
CVE-2021-306040.0Unknown
CVE-2021-306000.0Unknown
CVE-2021-306020.0Unknown
CVE-2021-305990.0Unknown
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