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.
CVE-2017-9217
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5HIGHmedium confidence
- EG Risk
- 54EG Risk 54/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation40% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 15%
- EPSS %ILE
- 96th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation public PoC (EG-KEV: elevated) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
May 24, 2017
Last Modified
June 17, 2026
References (9)
- cve@mitrehttp://www.securityfocus.com/bid/98677
- cve@mitrehttps://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166be
- cve@mitrehttps://github.com/systemd/systemd/pull/5998
- cve@mitrehttps://launchpad.net/bugs/1621396
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/98677
- af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166be
- af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/pull/5998
- af854a3a-2127-422b-91ae-364da2661108https://launchpad.net/bugs/1621396
- af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20241213-0003/
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| systemd | — |
| — |
Debian:12(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| systemd | — |
| — |
Debian:13(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| systemd | — |
| — |
Debian:14(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| systemd | — |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 29× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 176 total refreshes for this CVE.
- 2026-10-10 19:55 UTCEPSS rescore
- 2026-10-09 20:02 UTCEPSS rescore
- 2026-10-08 16:36 UTCEPSS rescore
- 2026-10-08 05:35 UTCOSV refresh
- 2026-10-07 23:41 UTCEPSS rescore
- 2026-10-06 15:12 UTCEPSS rescore
- 2026-10-05 17:39 UTCEPSS rescore
- 2026-10-04 23:18 UTCEPSS rescore
- 2026-10-03 14:21 UTCEPSS rescore
- 2026-10-03 14:21 UTCEPSS rescore
- 2026-09-30 14:59 UTCEPSS rescore
- 2026-09-30 09:49 UTCEG score recompute
- 2026-09-28 13:45 UTCEPSS rescore
- 2026-09-27 13:40 UTCEPSS rescore
- 2026-09-27 13:40 UTCEPSS rescore
- 2026-09-26 15:53 UTCEPSS rescore
- 2026-09-26 00:19 UTCEPSS rescore
- 2026-09-24 13:59 UTCEPSS rescore
- 2026-09-23 13:42 UTCEPSS rescore
- 2026-09-21 20:27 UTCEPSS rescore
- 2026-09-20 20:09 UTCEPSS rescore
- 2026-09-19 15:36 UTCEPSS rescore
- 2026-09-18 11:20 UTCOSV refresh
- 2026-09-17 19:22 UTCEPSS rescore
- 2026-09-17 19:22 UTCEPSS rescore
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- 2026-09-15 03:05 UTCEPSS rescore
- 2026-09-13 16:42 UTCEPSS rescore
- 2026-09-12 14:56 UTCEPSS rescore
- 2026-09-11 09:31 UTCEPSS rescore
- 2026-09-07 15:56 UTCEPSS rescore
- 2026-09-05 15:24 UTCEPSS rescore
- 2026-09-04 13:56 UTCEPSS rescore
- 2026-09-04 05:02 UTCEPSS rescore
- 2026-09-02 14:07 UTCEPSS rescore
- 2026-09-02 14:07 UTCEPSS rescore
- 2026-09-01 03:31 UTCEPSS rescore
- 2026-08-30 19:13 UTCEPSS rescore
- 2026-08-30 12:16 UTCOSV refresh
- 2026-08-28 21:36 UTCEPSS rescore
- 2026-08-27 14:21 UTCEPSS rescore
- 2026-08-26 14:41 UTCEPSS rescore
- 2026-08-25 13:44 UTCEPSS rescore
- 2026-08-21 23:44 UTCEPSS rescore
- 2026-08-19 16:59 UTCEPSS rescore
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- 2026-08-16 14:51 UTCEPSS rescore
- 2026-08-16 02:10 UTCEPSS rescore
- 2026-08-15 01:26 UTCEPSS rescore
- 2026-08-14 01:32 UTCOSV refresh
- 2026-08-12 13:46 UTCEPSS rescore
- 2026-08-08 16:32 UTCEPSS rescore
- 2026-08-07 16:22 UTCEPSS rescore
- 2026-08-06 13:42 UTCEPSS rescore
- 2026-08-06 13:42 UTCEPSS rescore
- 2026-08-05 19:13 UTCEPSS rescore
- 2026-08-01 04:12 UTCEPSS rescore
- 2026-07-30 16:24 UTCEPSS rescore
- 2026-07-30 01:26 UTCEPSS rescore
- 2026-07-29 06:04 UTCOSV refresh
- 2026-07-28 15:32 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:31 UTCEG score recompute
- 2026-07-22 22:11 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-21 15:21 UTCEPSS rescore
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-18 10:01 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 16:54 UTCEPSS rescore
- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-11 22:41 UTCOSV refresh
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-08 15:11 UTCEPSS rescore
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-02 16:54 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
Related CVEs(same product + same CWE)
Same product
10 shownDebian:11:systemd
- CVE-2022-2526EG 9.8CRITICAL
- CVE-2018-21029EG 9.8CRITICAL
- CVE-2015-7510EG 9.8EPSS p91CRITICAL
- CVE-2017-1000082EG 9.8EPSS p90CRITICAL
- CVE-2023-50387NVD 7.5EG 9.0EPSS p100CRITICAL
- CVE-2018-15688EG 8.8HIGH
- CVE-2023-50868NVD 7.5EG 8.7EPSS p99HIGH
- CVE-2017-9445NVD 7.5EG 8.2EPSS p99HIGH
- CVE-2023-26604EG 7.8HIGH
- CVE-2020-1712EG 7.8HIGH
Same CWE
10 shownCWE-476
- CVE-2017-9216EG 6.5MEDIUM
- CVE-2017-9229EG 7.5EPSS p92HIGH
- CVE-2017-9211EG 5.5MEDIUM
- CVE-2017-4916EG 6.5EPSS p92MEDIUM
- CVE-2017-8535EG 5.5EPSS p97MEDIUM
- CVE-2017-8536EG 5.5EPSS p97MEDIUM
- CVE-2017-8537EG 5.5EPSS p97MEDIUM
- CVE-2017-8539EG 5.5EPSS p93MEDIUM
- CVE-2017-8542EG 5.5EPSS p93MEDIUM
- CVE-2017-7475EG 5.5MEDIUM
Frequently asked(5)
What is CVE-2017-9217?
When was CVE-2017-9217 disclosed?
Is CVE-2017-9217 actively exploited?
What is the CVSS score of CVE-2017-9217?
How do I remediate CVE-2017-9217?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-9217
Is Your Infrastructure Affected by CVE-2017-9217?
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