DEBIAN-CVE-2016-9921

Advisory lineage Upstream: 1 Downstream: 3
Upstream
CVE-2016-9921
Published: 23 Dec 2016, 22:59
Last modified:28 Apr 2026, 20:16

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Dec 2016, 22:59
Published
Vulnerability first disclosed
28 Apr 2026, 20:16
Last Modified
Vulnerability information updated

Description

Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected Systems

  • debian•qemu

    < 1:2.8+dfsg-1 | < 1:2.8+dfsg-1 | < 1:2.8+dfsg-1 | < 1:2.8+dfsg-1

References (1)