Out-of-bounds Write Affecting hdf5 package, versions <1.14.5+repack-3+e7


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.31% (23rd percentile)

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  • Snyk IDSNYK-ECHOLATEST-HDF5-18067069
  • published21 Jul 2026
  • disclosed23 Jun 2025

Introduced: 23 Jun 2025

CVE-2025-6516  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Echo:latest hdf5 to version 1.14.5+repack-3+e7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream hdf5 package and not the hdf5 package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.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.

CVSS Base Scores

version 3.1