Heap-Based Buffer Overflow in HDF5 Software by HDF Group
CVE-2025-2915

4.8MEDIUM

Key Information:

Vendor

HDF Group

Status
Hdf5
Vendor
CVE Published:
28 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-2915?

A significant vulnerability has been identified in the HDF5 software, specifically in the function H5F__accum_free located in the source file src/H5Faccum.c. Manipulating the overlap_size argument could lead to a heap-based buffer overflow, which allows attackers to exploit the system. This type of vulnerability requires local access to execute the exploit, raising the importance of secure access controls. The details surrounding this vulnerability have been made public, emphasizing the necessity for immediate attention and remediation to protect sensitive data.

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-2025-2915 - Proof of Concept

References

https://vuldb.com/?id.301888
vdb-entrytechnical-description
https://vuldb.com/?ctiid.301888
signaturepermissions-required
https://vuldb.com/?submit.520899
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-2915 : Heap-Based Buffer Overflow in HDF5 Software by HDF Group