KLA12587 Multiple vulnerabilities in Opera

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. Heap buffer overflow vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.
2. Use after free vulnerability in Chrome OS Shell can be exploited to cause denial of service or execute arbitrary code.
3. Type Confusion vulnerability in V8 can be exploited to cause denial of service.

Original advisories

Changelog for 89

Stable Channel Update for Desktop

Exploitation

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

Related products

Opera

CVE list

CVE-2022-2295 critical

CVE-2022-2294 critical

CVE-2022-2296 critical

Solution

Update to the latest version

Download Opera

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

Affected Products

• Opera earlier than 89.0.4447.48