Incorrect interaction of the parse_packet() and parse_part_sign_sha256() functions in network.c in collectd 5.7.1 and earlier allows remote attackers to cause a denial of service (infinite loop) of a collectd instance (configured with "SecurityLevel None" and with empty "AuthFile" options) via a crafted UDP packet.
CVE-2017-7401
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
- 7.5(medium)
- EG Risk
- 40(Track)EG Risk 40/100SSVC: Track
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%Exploitation4% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 4%
- EPSS %ILE
- 90%
- KEV
- Not listed
Published
April 3, 2017
Last Modified
June 17, 2026
References (10)
- cve@mitrehttp://www.securityfocus.com/bid/97321
- cve@mitrehttps://access.redhat.com/errata/RHSA-2017:1285
- cve@mitrehttps://access.redhat.com/errata/RHSA-2017:1787
- cve@mitrehttps://access.redhat.com/errata/RHSA-2018:2615
- cve@mitrehttps://github.com/collectd/collectd/issues/2174
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/97321
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:1285
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:1787
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2615
- af854a3a-2127-422b-91ae-364da2661108https://github.com/collectd/collectd/issues/2174
Patch Availability(4)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libcollectdclient-dev (5.5.1-1ubuntu0.1~esm1) @ xenial | 2026-05-22 | ubuntu |
| redhat | collectd-0:5.7.2-3.1.el7rhgs | 2018-09-04 | redhat |
| redhat | collectd-0:5.7.2-1.1.el7ost | 2017-07-19 | redhat |
| redhat | collectd-0:5.7.1-4.el7 | 2017-05-24 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(7 across 7 ecosystems)
Alpine:v3.5(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| collectd | — | 5.6.2-r1 | — |
Alpine:v3.6(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| collectd | — | 5.6.2-r1 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| collectd | — | 5.7.2-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| collectd | — | 5.7.2-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| collectd | — | 5.7.2-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| collectd | — | 5.7.2-1 | — |
Debian:7(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| collectd | 5.1.0-3, 5.1.0-3+deb7u1, 5.1.0-3+deb7u2 | 5.1.0-3+deb7u3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(4)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 5× in last 7d / 22× 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 145 total refreshes for this CVE.
- 2026-08-19 16:59 UTCEPSS rescore
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- 2026-07-23 01:30 UTCEG score recompute
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Frequently asked(5)
What is CVE-2017-7401?
When was CVE-2017-7401 disclosed?
Is CVE-2017-7401 actively exploited?
What is the CVSS score of CVE-2017-7401?
How do I remediate CVE-2017-7401?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-7401
Is Your Infrastructure Affected by CVE-2017-7401?
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