CVE-2025-6856

LOW EPSS 9.8%
Published Jun 29, 20251y ago · Modified Jun 17, 20262w ago
1.9 CVSS 4.0
Low
Find Similar
Published Jun 29, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5FL__reg_gc_list of the file src/H5FL.c. The manipulation leads to use after free. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

CVSS Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
9.8% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-416 Use After Free Memory Safety

Affected Products 1

VendorProductVersionRange
hdfgrouphdf51.14.6any

References 5

  • github.com https://github.com/HDFGroup/hdf5/issues/5574
    ExploitIssue TrackingThird Party Advisory
  • github.com https://github.com/user-attachments/files/20623417/hdf5_crash_6.txt
    Exploit
  • vuldb.com https://vuldb.com/?ctiid.314328
    Permissions Required
  • vuldb.com https://vuldb.com/?id.314328
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.602528
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.