CVE-2025-6818 Details
Description
A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5O__chunk_protect of the file /src/H5Ochunk.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
A heap-based buffer overflow vulnerability has been identified in HDF5 version 1.14.6. The issue arises in the H5O__chunk_protect function within the file src/H5Ochunk.c. This vulnerability can be exploited locally, leading to a denial-of-service condition.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 30, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/HDFGroup/hdf5/issues/5573 | CISA-ADP | ExploitIssue TrackingThird Party Advisory |
| https://github.com/HDFGroup/hdf5/issues/5573 | [email protected] | ExploitIssue TrackingThird Party Advisory |
| https://github.com/user-attachments/files/20623382/hdf5_crash_5.txt | [email protected] | Exploit |
| https://vuldb.com/?ctiid.314256 | [email protected] | Permissions Required |
| https://vuldb.com/?id.314256 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.602326 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-122 | Heap-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| hdfgroup hdf5 | 1.14.6 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Jul 8, 2025 | Initial Analysis | [email protected] |
| Jun 30, 2025 | CVE Modified | CISA-ADP |
| Jun 28, 2025 | New CVE Received | [email protected] |