TI-2017-11647 Aliases CVE-2017-15908 GHSA-7jr2-6c89-rmhp

In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS…

MEDIUM 53CWE-835Published 2017-10-26 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-835.

Summary

In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS NSEC resource record to trigger an infinite loop in the dns_packet_read_type_window() function of the 'systemd-resolved' service and cause a DoS of the affected service.

Why it matters now

EPSS 0.23633 97th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 15

CPE	Versions	Role	Vendor
cpe:2.3:a:systemd_project:systemd:223:::::::*	223	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:224:::::::*	224	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:225:::::::*	225	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:226:::::::*	226	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:227:::::::*	227	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:228:::::::*	228	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:229:::::::*	229	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:230:::::::*	230	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:231:::::::*	231	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:232:::::::*	232	Vulnerable	systemd

cpe:2.3:a:systemd_project:systemd:223:*:*:*:*:*:*:* Versions 223 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:224:*:*:*:*:*:*:* Versions 224 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:225:*:*:*:*:*:*:* Versions 225 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:226:*:*:*:*:*:*:* Versions 226 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:227:*:*:*:*:*:*:* Versions 227 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:228:*:*:*:*:*:*:* Versions 228 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:229:*:*:*:*:*:*:* Versions 229 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:230:*:*:*:*:*:*:* Versions 230 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:231:*:*:*:*:*:*:* Versions 231 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:232:*:*:*:*:*:*:* Versions 232 Vulnerable ·systemd

Show 5 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:a:systemd_project:systemd:233:::::::*	233	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:234:::::::*	234	Vulnerable	systemd
cpe:2.3:a:systemd_project:systemd:235:::::::*	235	Vulnerable	systemd
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::	14.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::	16.04	Vulnerable	Canonical

cpe:2.3:a:systemd_project:systemd:233:*:*:*:*:*:*:* Versions 233 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:234:*:*:*:*:*:*:* Versions 234 Vulnerable ·systemd
cpe:2.3:a:systemd_project:systemd:235:*:*:*:*:*:*:* Versions 235 Vulnerable ·systemd
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 1 product

Red Hat Enterprise Linux 7

Timeline

2026-10-02 Threatist record created from CVE-2017-15908
2026-10-03 Alias added: GHSA-7jr2-6c89-rmhp

References

Patch 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences