Memory Leak in HDF5 1.14.6 Affects HDF Group's Data Management Solutions
CVE-2025-7068

4.8MEDIUM

Key Information:

Vendor

HDF Group

Status
Hdf5
Vendor
CVE Published:
4 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7068?

A memory leak vulnerability has been identified in HDF5 version 1.14.6, specifically within the H5FL__malloc function located in src/H5FL.c. This issue allows for unintended memory consumption due to improper handling during allocation processes. Local exploitation is required, making it essential for users to assess the risk of possible unauthorized access to resources. The vulnerability has been publicly disclosed and is considered problematic for systems utilizing HDF5, posing risks of degraded performance and potential service disruption.

Affected Version(s)

HDF5 1.14.6

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-2025-7068 - Proof of Concept

References

https://vuldb.com/?id.314903
vdb-entrytechnical-description
https://vuldb.com/?ctiid.314903
signaturepermissions-required
https://vuldb.com/?submit.602537
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

Credit

JJLeo (VulDB User)
.
CVE-2025-7068 : Memory Leak in HDF5 1.14.6 Affects HDF Group's Data Management Solutions