Heap-based Buffer Overflow in HDF5 Product
CVE-2025-2923
4.8MEDIUM
Key Information:
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👾 Exploit Exists🟡 Public PoC
What is CVE-2025-2923?
A significant heap-based buffer overflow vulnerability has been identified in HDF5, specifically in the function H5F_addr_encode_len located in src/H5Fint.c. This flaw arises from improper handling of the pp argument, leading to memory manipulation issues. The vulnerability necessitates local exploitation, and details have been publicly disclosed, requiring immediate attention from users of versions up to 1.14.6 to mitigate potential 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.