CVE-2017-9217

systemd: Null pointer dereference in dns_packet_is_reply_for function

Loading…

Severity

Low

Red Hat Product Security

5.3

CVSS 3.0

Review impact separately from score.

Published · May 20, 2017

Updated · November 21, 2025

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.

Statement

This issue did not affect the versions of systemd as shipped with Red Hat Enterprise Linux 7.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-476 · NULL Pointer Dereference