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hdf5

A vulnerability, which was classified as problematic, was found in HDF5 up to 1.14.6. This affects the function H5HL__fl_deserialize of the file src/H5HLcache.c. The manipulation of the argument free_block leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

CVE-2025-2924 is a heap-based buffer overflow vulnerability identified in the HDF5 library versions up to 1.14.6. The flaw resides specifically in the function H5HL__fl_deserialize within the source file src/H5HLcache.c. The vulnerability is triggered by improper handling of the 'free_block' argument during deserialization, which can lead to a heap overflow condition. This type of memory corruption can cause unpredictable behavior including application crashes or potentially arbitrary code execution. The attack vector is local, requiring the attacker to have at least low-level privileges on the host system to exploit the vulnerability. No user interaction or network access is required, but the attacker must be able to manipulate the input to the vulnerable function. Although the CVSS 4.0 base score is 4.8 (medium severity), the vulnerability's exploitation could lead to denial of service or escalation of privileges within the local environment. The vulnerability has been publicly disclosed, but no known exploits in the wild have been reported yet. HDF5 is a widely used data model, library, and file format for storing and managing large scientific data sets, commonly employed in research institutions, engineering, and data-intensive industries. The vulnerability's presence in multiple recent versions (1.14.0 through 1.14.6) indicates that many deployments could be affected if they use these versions without patching or mitigation.

Detailed information about CVE-2025-2924: Heap-based Buffer Overflow in HDF5 affecting null HDF5. Get real-time updates, technical details, and mitigation strat

CVE-2025-2924: Heap-based Buffer Overflow in HDF5 - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-2924: Heap-based Buffer Overflow in HDF5

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