KLA49064
Multiple vulnerabilities in Opera

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

Below is a complete list of vulnerabilities:

1. Type confusion vulnerability in V8 can be exploited to cause denial of service.
2. Heap buffer overflow vulnerability in sqlite can be exploited to cause denial of service.
3. Integer overflow vulnerability in Skia can be exploited to cause execute arbitrary code and denial of service.
4. Use after free vulnerability in DevTools can be exploited to cause denial of service or execute arbitrary code.
5. Out of bounds memory access vulnerability in Service Worker API can be exploited to cause denial of service.

The following public exploits exists for this vulnerability:

https://github.com/gretchenfrage/CVE-2023-2033-analysis

https://github.com/insoxin/CVE-2023-2033

https://github.com/sandumjacob/CVE-2023-2033-Analysis

Opera earlier than 98.0.4759.15

Update to the latest version
Download Opera

Opera 98 Stable update
Stable Channel Update for Desktop
Stable Channel Update for Desktop