CVE-2016-9776

Name: CVE-2016-9776
Creator: NVD / NIST
Published: 2016-12-29T22:59:00.51+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2016-9776 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in 'mcf_fec_receive'. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in 'mcf_fec_receive'. A privileged user/process inside guest could use this issue to crash the QEMU process on the host leading to DoS.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.42%

33.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions	Update
Qemu	Qemu	<= 2.7.1	—
Qemu	Qemu	2.8.0	Rc0
Debian	Debian Linux	8.0	—

References

http://www.openwall.com/lists/oss-security/2016/12/02/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/8Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94638Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1400829Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.htmlPatch, Vendor Advisory
https://security.gentoo.org/glsa/201701-49Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/8Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94638Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1400829Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.htmlPatch, Vendor Advisory
https://security.gentoo.org/glsa/201701-49Third Party Advisory

Timeline

Published: Dec 29, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9776?

How severe is CVE-2016-9776?

CVE-2016-9776 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9776?

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-2016-9776?

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

Scan your code now

Source: NVD / NIST