What’s Vulnerable › Vulnerabilities

CVE-2024-32621

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-14 · updated 2026-06-17
• Weakness: CWE-122

Description

HDF5 Library through 1.14.3 contains a heap-based buffer overflow in H5HG_read in H5HG.c (called from H5VL__native_blob_get in H5VLnative_blob.c), resulting in the corruption of the instruction pointer.

Affected products

• HDF5: before 1.14.4 — fixed in 1.14.4

How to fix

Upgrade to a fixed version: HDF5 1.14.4. Check the vendor advisory for mitigations.

References

• https://www.hdfgroup.org/2024/05/new-hdf5-cve-issues-fixed-in-1-14-4/
• https://www.hdfgroup.org/2024/05/new-hdf5-cve-issues-fixed-in-1-14-4/

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