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CVE-2024-32616

HDF5 Library - H5Odtype.c

The HDF Group CVSS 7.4 Updated April 6, 2026

Executive Risk Summary

"A heap-based buffer over-read vulnerability exists in the HDF5 Library through version 1.14.3, specifically in the H5O__dtype_encode_helper function within H5Odtype.c. This vulnerability could potentially allow an attacker to read sensitive data from the heap, leading to information disclosure."

Anticipated Attack Path

  1. 1. Initial Exploitation: An attacker sends a crafted input to the H5O__dtype_encode_helper function.
  2. 2. Privilege Escalation: The buffer over-read vulnerability is exploited to read sensitive data from the heap.
  3. 3. Post-Exploitation: The attacker uses the obtained sensitive data for further malicious activities.

Am I Vulnerable?

  • Verify the version of the HDF5 Library in use.
  • Check for any signs of exploitation, such as unusual memory access patterns.
  • Apply the patch to update the HDF5 Library to version 1.14.4 or later.

Operational Audit Arsenal

Target Type library
Target Asset libhdf5
Standard Path /usr/lib/libhdf5.so.14

Manual Verification Required

This is a non-Windows asset (The HDF Group). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Unlikely

Minimal, as the patch only updates the HDF5 Library.

Internal Work Notes

HDF5 Library vulnerability (CVE-2024-32616) - update to version 1.14.4 or later to prevent heap-based buffer over-read.

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Intelligence Sources

Related The HDF Group Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.