CVE-2017-9217: Systemd Project Systemd

High severity, CVSS 7.5. EPSS: 15.3% chance of exploitation in the next 30 days.

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.

Affected products

• Systemd Project Systemd: up to and including 233

Published 2017-05-24. Last modified 2026-06-17.