CVE-2018-17437

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.5Exploit: NoneExposed: 0

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

Memory leak in the H5O_dtype_decode_helper() function in H5Odtype.c in the HDF HDF5 through 1.10.3 library allows attackers to cause a denial of service (memory consumption) via a crafted HDF5 file.

CVSS v3
6.5
EG Score
6.5(medium)
EPSS
71.5%
KEV
Not listed

Published

September 24, 2018

Last Modified

November 21, 2024

References (4)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 42× 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.

  1. 2026-07-22 22:14 UTCEG score recompute
  2. 2026-07-22 14:04 UTCEPSS rescore
  3. 2026-07-21 15:21 UTCEPSS rescore
  4. 2026-07-21 05:18 UTCOSV refresh
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  62. 2026-05-28 02:52 UTCGHSA enrichment
  63. 2026-05-27 13:38 UTCEPSS rescore
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  67. 2026-05-26 13:31 UTCOSV refresh
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-17437?
CVE-2018-17437 is a medium vulnerability published on September 24, 2018. Memory leak in the H5Odtypedecode_helper() function in H5Odtype.c in the HDF HDF5 through 1.10.3 library allows attackers to cause a denial of service (memory consumption) via a crafted HDF5 file.
When was CVE-2018-17437 disclosed?
CVE-2018-17437 was first published in the National Vulnerability Database on September 24, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-17437 actively exploited?
CVE-2018-17437 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-17437?
CVE-2018-17437 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2018-17437?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-17437, 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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