CVE-2016-9907

Name: CVE-2016-9907
Creator: NVD / NIST
Published: 2016-12-23T22:59:00.41+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2016-9907 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Quick Emulator (Qemu) built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw. It could occur while destroying the USB redirector in 'usbredir_handle_destroy'. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

Quick Emulator (Qemu) built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw. It could occur while destroying the USB redirector in 'usbredir_handle_destroy'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

EPSS Probability

0.41%

32.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-772

Affected Software

Vendor	Product	Versions
Qemu	Qemu	<= 2.7.1
Debian	Debian Linux	8.0
Redhat	Openstack	6.0
Redhat	Openstack	7.0
Redhat	Openstack	8
Redhat	Openstack	9
Redhat	Openstack	10
Redhat	Openstack	11
Redhat	Virtualization	4.0

References

http://www.openwall.com/lists/oss-security/2016/12/08/3Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/94759Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201701-49Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/08/3Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/94759Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201701-49Third Party Advisory

Timeline

Published: Dec 23, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9907?

How severe is CVE-2016-9907?

CVE-2016-9907 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9907?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-9907?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST