An integer underflow issue was found in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service.
| Version | Score | Severity | Vector String |
|---|---|---|---|
| 3.1 | 6.5 | Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Product | Vendor | Version |
|---|---|---|
| QEMU | n/a | QCN6023 |