CVE-2018-17234

MEDIUMNVD 6.56.5—

6.5

Memory leak in the H5O__chunk_deserialize() function in H5Ocache.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: 32.3%
KEV: Not listed

Published

September 20, 2018

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln3#memory-leak---h5o__chunk_deserialize_memory_leak
cve@mitrehttps://lists.debian.org/debian-lts-announce/2023/08/msg00009.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln3#memory-leak---h5o__chunk_deserialize_memory_leak
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/08/msg00009.html

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	hdf5-tools (1.8.16+docs-4ubuntu1.1+esm2) @ xenial	2026-05-23	ubuntu

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.

Weakness Classification(1)

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

CWE-772Missing Release of Resource after Effective Lifetime

All Vendor Advisories

(1)

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.

UbuntuUSN-5272-1MEDIUM
HDF5 vulnerabilities

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 02:37 UTCEG score recompute
2026-05-23 02:37 UTCVendor advisory
2026-05-23 02:37 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2018-17234?

CVE-2018-17234 is a medium vulnerability published on September 20, 2018. Memory leak in the H5Ochunk_deserialize() function in H5Ocache.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-2018-17234 disclosed?

CVE-2018-17234 was first published in the National Vulnerability Database on September 20, 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-2018-17234 actively exploited?

CVE-2018-17234 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-17234?

CVE-2018-17234 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2018-17234?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-17234, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-17234

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