CVE-2017-8804

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 8%CVSS: 7.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP packet to port 111, a related issue to CVE-2017-8779. NOTE: [Information provided from upstream and references

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: 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 computed
Severity75% × 45%
Exploitation8% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
8%
EPSS %ILE
94%
KEV
Not listed

Published

May 7, 2017

Last Modified

June 17, 2026

References (22)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× 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 133 total refreshes for this CVE.

  1. 2026-08-25 13:44 UTCEPSS rescore
  2. 2026-08-23 00:14 UTCEPSS rescore
  3. 2026-08-21 23:44 UTCEPSS rescore
  4. 2026-08-19 16:59 UTCEPSS rescore
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  9. 2026-08-14 02:18 UTCOSV refresh
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  21. 2026-07-29 06:34 UTCOSV refresh
  22. 2026-07-28 15:32 UTCEPSS rescore
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  24. 2026-07-23 01:31 UTCEG score recompute
  25. 2026-07-22 22:10 UTCEG score recompute
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  1. 2026-07-22 14:04 UTCEPSS rescore
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  18. 2026-07-12 05:43 UTCEPSS rescore
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  20. 2026-07-11 08:24 UTCEPSS rescore
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  43. 2026-06-23 21:30 UTCEPSS rescore
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  45. 2026-06-23 06:00 UTCOSV refresh
  46. 2026-06-22 14:23 UTCEPSS rescore
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  48. 2026-06-21 01:57 UTCEPSS rescore
  49. 2026-06-21 01:57 UTCEPSS rescore
  50. 2026-06-18 17:50 UTCEPSS rescore
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  65. 2026-06-07 15:22 UTCEPSS rescore
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  67. 2026-06-06 03:52 UTCOSV refresh
  68. 2026-06-05 22:44 UTCEPSS rescore
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  72. 2026-06-04 13:10 UTCEPSS rescore
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  74. 2026-06-02 20:11 UTCEPSS rescore
  75. 2026-06-02 20:11 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2017-8804?
CVE-2017-8804 is a high vulnerability published on May 7, 2017. The xdrbytes and xdrstring functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP…
When was CVE-2017-8804 disclosed?
CVE-2017-8804 was first published in the National Vulnerability Database on May 7, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-8804 actively exploited?
CVE-2017-8804 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8% probability of exploitation in the next 30 days, which ranks it in the top 5.9% of all scored CVEs.
What is the CVSS score of CVE-2017-8804?
CVE-2017-8804 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2017-8804?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-8804, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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