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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2023-6683

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemu_clipboard_request() function can be reached before vnc_server_cut_text_caps() was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a malicious authenticated VNC client to crash QEMU and trigger a denial of service.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 23.5%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2023-6683
  • Qemu » Qemu » Version: 07-20-2020
    cpe:2.3:a:qemu:qemu:07-20-2020
  • Qemu » Qemu » Version: 6.1.0
    cpe:2.3:a:qemu:qemu:6.1.0
  • Qemu » Qemu » Version: 6.1.50
    cpe:2.3:a:qemu:qemu:6.1.50
  • Qemu » Qemu » Version: 6.2.0
    cpe:2.3:a:qemu:qemu:6.2.0
  • Qemu » Qemu » Version: 6.2.0-7
    cpe:2.3:a:qemu:qemu:6.2.0-7
  • Qemu » Qemu » Version: 7.0.0
    cpe:2.3:a:qemu:qemu:7.0.0
  • Qemu » Qemu » Version: 7.1.0
    cpe:2.3:a:qemu:qemu:7.1.0
  • Qemu » Qemu » Version: 7.2.0
    cpe:2.3:a:qemu:qemu:7.2.0
  • Qemu » Qemu » Version: 7.2.1
    cpe:2.3:a:qemu:qemu:7.2.1
  • Qemu » Qemu » Version: 7.2.2
    cpe:2.3:a:qemu:qemu:7.2.2
  • Qemu » Qemu » Version: 7.2.3
    cpe:2.3:a:qemu:qemu:7.2.3
  • Qemu » Qemu » Version: 8.0.0
    cpe:2.3:a:qemu:qemu:8.0.0
  • Qemu » Qemu » Version: 8.0.1
    cpe:2.3:a:qemu:qemu:8.0.1
  • Qemu » Qemu » Version: 8.0.2
    cpe:2.3:a:qemu:qemu:8.0.2
  • Qemu » Qemu » Version: 8.0.3
    cpe:2.3:a:qemu:qemu:8.0.3
  • Qemu » Qemu » Version: 8.0.4
    cpe:2.3:a:qemu:qemu:8.0.4
  • Qemu » Qemu » Version: 8.0.5
    cpe:2.3:a:qemu:qemu:8.0.5
  • Qemu » Qemu » Version: 8.1.0
    cpe:2.3:a:qemu:qemu:8.1.0
  • Qemu » Qemu » Version: 8.1.1
    cpe:2.3:a:qemu:qemu:8.1.1
  • Qemu » Qemu » Version: 8.1.2
    cpe:2.3:a:qemu:qemu:8.1.2
  • Qemu » Qemu » Version: 8.1.3
    cpe:2.3:a:qemu:qemu:8.1.3
  • Qemu » Qemu » Version: 8.1.4
    cpe:2.3:a:qemu:qemu:8.1.4
  • Qemu » Qemu » Version: 8.1.5
    cpe:2.3:a:qemu:qemu:8.1.5
  • Qemu » Qemu » Version: 8.2.0
    cpe:2.3:a:qemu:qemu:8.2.0
  • Qemu » Qemu » Version: 8.2.1
    cpe:2.3:a:qemu:qemu:8.2.1
  • Redhat » Enterprise Linux » Version: 8.0
    cpe:2.3:o:redhat:enterprise_linux:8.0
  • Redhat » Enterprise Linux » Version: 9.0
    cpe:2.3:o:redhat:enterprise_linux:9.0


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