What’s Vulnerable › Vulnerabilities

CVE-2024-33877

• Severity: high (CVSS 8.8 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 has a heap-based buffer overflow in H5T__conv_struct_opt in H5Tconv.c.

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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