CVE-2017-9217

Name: CVE-2017-9217
Creator: NVD / NIST
Published: 2017-05-24T05:29:00.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 15.42%

Last modified Jun 17, 2026

CVE-2017-9217 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. systemd-resolved through 233 allows remote attackers to cause a denial of service (daemon crash) via a crafted DNS response with an empty question section.. EPSS estimates a 15.42% chance of exploitation in the next 30 days.

Description

systemd-resolved through 233 allows remote attackers to cause a denial of service (daemon crash) via a crafted DNS response with an empty question section.

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

15.42%

96.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Systemd Project	Systemd	<= 233

References

http://www.securityfocus.com/bid/98677Third Party Advisory, VDB Entry
https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166beIssue Tracking, Patch, Third Party Advisory
https://github.com/systemd/systemd/pull/5998Issue Tracking, Patch, Third Party Advisory
https://launchpad.net/bugs/1621396Issue Tracking, Third Party Advisory
http://www.securityfocus.com/bid/98677Third Party Advisory, VDB Entry
https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166beIssue Tracking, Patch, Third Party Advisory
https://github.com/systemd/systemd/pull/5998Issue Tracking, Patch, Third Party Advisory
https://launchpad.net/bugs/1621396Issue Tracking, Third Party Advisory
https://security.netapp.com/advisory/ntap-20241213-0003/

Timeline

Published: May 24, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9217?

systemd-resolved through 233 allows remote attackers to cause a denial of service (daemon crash) via a crafted DNS response with an empty question section.

How severe is CVE-2017-9217?

CVE-2017-9217 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 15.42% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9217?

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-2017-9217?

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

Scan your code now

Source: NVD / NIST