What’s Vulnerable › Vulnerabilities

CVE-2025-6817: HDF5 H5Centry.c H5C__load_entry resource consumption

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-28 · updated 2026-06-17
• Weakness: CWE-400

Description

A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. This issue affects the function H5C__load_entry of the file /src/H5Centry.c. The manipulation leads to resource consumption. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Affected products

• HDF5: 1.14.6

References

• https://github.com/HDFGroup/hdf5/issues/5572
• https://github.com/user-attachments/files/20623368/hdf5_crash_4.txt
• https://vuldb.com/?ctiid.314255
• https://vuldb.com/?id.314255
• https://vuldb.com/?submit.602294
• https://github.com/HDFGroup/hdf5/issues/5572

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