CVE-2025-6818 - CVE House
Back to Database
Status published Medium CVE-2025-6818

HDF5 H5Ochunk.c H5O__chunk_protect heap-based overflow

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-6818

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • JJLeo (VulDB User)

Affected Vendor

Affected Software

HDF5
Vulnerable Versions:
1.14.6

Timeline

Official Publish: June 28th, 2025
Last Modified: June 30th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Weaknesses (CWE)