CVE-2025-2923 - CVE House
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Status published Medium CVE-2025-2923

HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow

Vulnerability Description

A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len of the file src/H5Fint.c. The manipulation of the argument pp leads to heap-based buffer overflow. Attacking locally is a requirement. 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.

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Credits & Attribution

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

  • Chen Lihai

Affected Vendor

Affected Software

HDF5
Vulnerable Versions:
1.14.0, 1.14.1, 1.14.2, 1.14.3, 1.14.4, 1.14.5, 1.14.6

Timeline

Official Publish: March 28th, 2025
Last Modified: June 23rd, 2026
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)