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CVE-2025-6856

CVE

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
December 16, 2025
Last Seen
December 16, 2025
API
Exploited in Wild
—
Ransomware Use
—
Public Exploits
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Attack Vector
—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Multiple HDF5 Vulnerabilities Identified: CVE-2025-6856 and CVE-2025-291340.7

Two vulnerabilities in the HDF5 library have been identified, CVE-2025-6856 and CVE-2025-2913, both related to use-after-free issues in the H5FL.c file. These vulnerabilities could potentially affect systems utilizing the HDF5 library, which is widely used for managing large datasets.

Public Exploits

Checking GitHub for proof-of-concept code…

CVE Details