CVE-2017-13711

Name: CVE-2017-13711
Creator: NVD / NIST
Published: 2017-09-01T13:29:00.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.84%

Last modified Jun 17, 2026

CVE-2017-13711 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Use-after-free vulnerability in the sofree function in slirp/socket.c in QEMU (aka Quick Emulator) allows attackers to cause a denial of service (QEMU instance crash) by leveraging failure to properly clear ifq_so from pending packets.. EPSS estimates a 3.84% chance of exploitation in the next 30 days.

Description

Use-after-free vulnerability in the sofree function in slirp/socket.c in QEMU (aka Quick Emulator) allows attackers to cause a denial of service (QEMU instance crash) by leveraging failure to properly clear ifq_so from pending packets.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

3.84%

88.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Qemu	Qemu	<= 2.10.1
Debian	Debian Linux	9.0

References

http://www.debian.org/security/2017/dsa-3991Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/29/6Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/100534Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0816Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1104Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1113Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1486400Issue Tracking, Patch, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg05201.htmlPatch, Third Party Advisory
http://www.debian.org/security/2017/dsa-3991Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/29/6Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/100534Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0816Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1104Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1113Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1486400Issue Tracking, Patch, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg05201.htmlPatch, Third Party Advisory

Timeline

Published: Sep 1, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-13711?

How severe is CVE-2017-13711?

CVE-2017-13711 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.84% probability of exploitation in the next 30 days.

How do I fix CVE-2017-13711?

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-2017-13711?

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

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Source: NVD / NIST