HDF5 Library — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
February 21, 2026
Last Seen
February 21, 2026

HDF5 Library is a technology platform tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.

HDF5 Library is a technology platform tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed February 21, 2026; most recent activity February 21, 2026.

Related Threat Clusters

  • Multiple CVEs Identified in HDF5 Library Version 1.14.3

    Three critical vulnerabilities have been identified in the HDF5 Library version 1.14.3, all related to heap-based buffer overflows. The vulnerabilities, CVE-2024-33877, CVE-2024-33873, and CVE-2024-32624, could lead to…

    3 articles · Updated February 21, 2026

Recent Intelligence Reports

  • CVE-2024-33873 HDF5 Library through 1.14.3 has a heap-based buffer overflow in H5D__scatter_mem in H5Dscatgath.c. — Api.Msrc.Microsoft · February 21, 2026

Related Entities

Frequently asked questions

What is HDF5 Library?

HDF5 Library is a technology platform tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.

Is HDF5 Library still active?

The most recent intelligence report mentioning HDF5 Library on ThreatCluster is dated February 21, 2026.

What is HDF5 Library associated with?

Across ThreatCluster reporting, HDF5 Library most frequently co-occurs with CVE-2024-33873.

What are the latest developments involving HDF5 Library?

The most significant recent cluster is “Multiple CVEs Identified in HDF5 Library Version 1.14.3” (3 articles · Updated February 21, 2026). HDF5 Library appears across 1 threat cluster in total, listed above with sources.

How much reporting does ThreatCluster have on HDF5 Library?

HDF5 Library appears in 1 intelligence report mention across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown