Null Pointer Dereference in HDF5 Affects Multiple Versions
CVE-2025-2926
Key Information:
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What is CVE-2025-2926?
A vulnerability has been identified in the HDF5 library, specifically within the function H5O__cache_chk_serialize located in src/H5Ocache.c. This flaw can result in a null pointer dereference, leading to potential application crashes or unexpected behavior. It requires local access for exploitation, meaning attackers must have physical or local network access to leverage this vulnerability. The issue has been publicly disclosed, highlighting its relevance in the cybersecurity landscape, and underscores the importance of patching and updating affected HDF5 versions to mitigate associated risks.
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.