Use After Free Vulnerability in HDF5 Affecting HDF5 Libraries
CVE-2025-2913

4.8MEDIUM

Key Information:

Vendor

HDF Group

Status
Hdf5
Vendor
CVE Published:
28 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-2913?

A vulnerability exists in HDF5 libraries up to version 1.14.6, specifically in the H5FL__blk_gc_list function within the H5FL.c file. This flaw is characterized by a use after free scenario resulting from improper handling of the argument H5FL_blk_head_t. If exploited, it could lead to potential manipulation of memory, making systems susceptible to local attacks. The details of this vulnerability have been publicly disclosed, emphasizing the urgency for users to apply any necessary patches or updates.

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-2025-2913 - Proof of Concept

References

https://vuldb.com/?id.301886
vdb-entrytechnical-description
https://vuldb.com/?ctiid.301886
signaturepermissions-required
https://vuldb.com/?submit.520404
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

.