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Vulnerability record · CVE-2017-9217 · published 24 May 2017

CVE-2017-9217: Systemd project systemd null pointer dereference vulnerability

Systemd Project · Systemd

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.

7.5 CVSS 3.1 High EPSS 15% · top 3.3% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score, v2 5.0
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/98677 Third Party AdvisoryVDB Entry
https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166be Issue TrackingPatchThird Party Advisory
https://github.com/systemd/systemd/pull/5998 Issue TrackingPatchThird Party Advisory
https://launchpad.net/bugs/1621396 Issue TrackingThird Party Advisory
http://www.securityfocus.com/bid/98677 Third Party AdvisoryVDB Entry
https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166be Issue TrackingPatchThird Party Advisory
https://github.com/systemd/systemd/pull/5998 Issue TrackingPatchThird Party Advisory
https://launchpad.net/bugs/1621396 Issue TrackingThird Party Advisory
https://security.netapp.com/advisory/ntap-20241213-0003/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-9217), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.