KLA12555 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. Use after free vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
2. Use after free vulnerability in Performance APIs can be exploited to cause denial of service or execute arbitrary code.
3. Implementation vulnerability in Web Contents can be exploited to cause denial of service.
4. Use after free vulnerability in Browser UI can be exploited to cause denial of service or execute arbitrary code.
5. Heap buffer overflow vulnerability in V8 can be exploited to cause denial of service.
6. Use after free vulnerability in Web UI Diagnostics can be exploited to cause denial of service or execute arbitrary code.
7. Use after free vulnerability in Permission Prompts can be exploited to cause denial of service or execute arbitrary code.
8. Use after free vulnerability in Sharing can be exploited to cause denial of service or execute arbitrary code.
9. Use after free vulnerability in Sharesheet can be exploited to cause denial of service or execute arbitrary code.

Original advisories

Changelog for 87

Stable Channel Update for Desktop

Related products

Opera

CVE list

CVE-2022-1636 critical

CVE-2022-1638 critical

CVE-2022-1640 critical

CVE-2022-1639 critical

CVE-2022-1641 critical

CVE-2022-1637 warning

CVE-2022-1634 critical

CVE-2022-1635 critical

CVE-2022-1633 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 87.0.4390.25