Vulnerability 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 Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hdfgroup | Hdf5 | 1.14.6 |
Related Weaknesses (CWE)
References
- https://github.com/HDFGroup/hdf5/issues/5574ExploitIssue TrackingThird Party Advisory
- https://github.com/user-attachments/files/20623417/hdf5_crash_6.txtExploit
- https://vuldb.com/?ctiid.314328Permissions Required
- https://vuldb.com/?id.314328Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.602528Third Party AdvisoryVDB Entry
FAQ
What is CVE-2025-6856?
CVE-2025-6856 is a vulnerability with a CVSS score of 3.3 (LOW). 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 l...
How severe is CVE-2025-6856?
CVE-2025-6856 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-6856?
Check the references section above for vendor advisories and patch information. Affected products include: Hdfgroup Hdf5.