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CVE-2024-33873

HDF5 Library - H5Dscatgath.c

The HDF Group CVSS 8.8 Updated April 6, 2026

Executive Risk Summary

"A heap-based buffer overflow vulnerability exists in the HDF5 Library through version 1.14.3, specifically in the H5D__scatter_mem function within H5Dscatgath.c. This vulnerability could potentially allow an attacker to execute arbitrary code, leading to a compromise of the system."

Anticipated Attack Path

  1. 1. Initial Exploitation: Attacker sends crafted input to exploit the heap-based buffer overflow
  2. 2. Privilege Escalation: Arbitrary code execution could lead to elevated privileges
  3. 3. Persistence and Lateral Movement: Potential for further system compromise and lateral movement

Am I Vulnerable?

  • Verify HDF5 Library version and update to 1.14.4 or later
  • Monitor system logs for signs of exploitation or unusual activity
  • Implement additional security controls to prevent exploitation, such as input validation and memory protection

Operational Audit Arsenal

Target Type library
Target Asset libhdf5
Standard Path /usr/lib or C:\Program Files\HDF Group\HDF5

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 update primarily affects the HDF5 Library

Internal Work Notes

HDF5 Library update required to address CVE-2024-33873, a heap-based buffer overflow vulnerability. Update to version 1.14.4 or later to prevent potential arbitrary code execution.

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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.