UBUNTU-CVE-2020-10761

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2020-10761
Downstream
USN-4467-1
Published: 09 Jun 2020, 13:15
Last modified:04 Feb 2026, 03:31

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

09 Jun 2020, 13:15
Published
Vulnerability first disclosed
04 Feb 2026, 03:31
Last Modified
Vulnerability information updated

Description

An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L

Affected Systems

  • ubuntu•qemu

    < 1:4.2-3ubuntu6.4

References (5)