CVE-2018-13874

CRITICALNVD 9.89.8—

9.8

An issue was discovered in the HDF HDF5 1.8.20 library. There is a stack-based buffer overflow in the function H5FD_sec2_read in H5FDsec2.c, related to HDmemset.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 60.5%
KEV: Not listed

Published

July 10, 2018

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 28, 2026

No patch confirmed yet.

generic

pocs/hdf5 at master · TeamSeri0us/pocs · GitHub

https://github.com/TeamSeri0us/pocs/tree/master/hdf5

Weakness Classification(1)

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

CWE-787Out-of-bounds Write

Data Freshness Timeline

(refreshed 10× in last 7d / 19× 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.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 05:25 UTCEG score recompute
2026-05-28 05:25 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 15:01 UTCOSV refresh
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

Frequently asked(5)

What is CVE-2018-13874?

CVE-2018-13874 is a critical vulnerability published on July 10, 2018. An issue was discovered in the HDF HDF5 1.8.20 library. There is a stack-based buffer overflow in the function H5FDsec2read in H5FDsec2.c, related to HDmemset.

When was CVE-2018-13874 disclosed?

CVE-2018-13874 was first published in the National Vulnerability Database on July 10, 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-2018-13874 actively exploited?

CVE-2018-13874 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-13874?

CVE-2018-13874 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-13874?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-13874, 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

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CVE-2018-13874

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

pocs/hdf5 at master · TeamSeri0us/pocs · GitHub

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-13874?

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Published

Last Modified

Advisory Details (1)

Frequently asked(5)

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