CVSS 3.1 Score 6.5 of 10 (medium)


Published Jan 12, 2024
Updated: Feb 23, 2024
CWE ID 476


CVE-2023-6683 is a vulnerability that affects multiple products, including aXjN6B, eCJhKK, d0rE62, sgaPme, and nv-TCv. The vulnerability exists in the QEMU built-in VNC server while processing ClientCutText messages. It allows a malicious authenticated VNC client to crash QEMU and trigger a denial of service by exploiting a NULL pointer dereference in the qemu_clipboard_request() function. The vulnerability has a base severity of MEDIUM and an exploitability score of 2.8. It poses a potential danger to organizations as it can lead to service disruption or interruption in affected systems. Remediation steps should be taken promptly to address this vulnerability.

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