Heap-based Buffer Overflow in HDF5 Filesystem Cache Function
CVE-2025-2914

4.8MEDIUM

Key Information:

Vendor: HDF Group
Status: Hdf5
Vendor: CVE Published:; 28 March 2025

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👾 Exploit Exists🟡 Public PoC

What is CVE-2025-2914?

The HDF5 library, specifically in its filesystem cache function H5FS__sinfo_Srialize_Sct_cb located in src/H5FScache.c, is susceptible to a heap-based buffer overflow. An attacker with local access can manipulate the argument sect, leading to potential exploitation. This vulnerability was publicly disclosed, making it critical for users of affected versions up to 1.14.6 to take proactive measures to secure their systems.

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Affected Version(s)

HDF5 1.14.0

HDF5 1.14.1

HDF5 1.14.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-2914 - Proof of Concept