# CVE-2025-7067: HDF5 H5FScache.c H5FS__sinfo_serialize_node_cb heap-based overflow

CVE-2025-7067 is fixed in hdf5 on 1 platform by DEBIAN-CVE-2025-7067 (version 2.1.0+repack-1), released July 4, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-7067
- Priority: Routine
- CVSS: 5.5 (Low)
- EPSS: 0.0028
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 4, 2025
- Weakness: Heap-based Buffer Overflow
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-7067

## Description

A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5FS__sinfo_serialize_node_cb of the file src/H5FScache.c. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | hdf5 Debian 14 | 2.1.0+repack-1 | [DEBIAN-CVE-2025-7067](https://patchblox.com/security/data/fix/linux/debian-cve-2025-7067.md) | Jul 4, 2025 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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