CVE-2026-17574: hdf5 before 2.1.1 (exclusive); +1 more affected products

CVE-2026-17574. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00148 (percentile 0.03663), scored 22-Oct-2026.

Affected technology

hdf5 · before 2.1.1 (exclusive)
hdfgroup

HDF5 · <= 2.1.1
The HDF Group

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 4.0): Local · No privileges required · Active user interaction

What an attacker can do

Source advisory’s CVSS 4.0 assessment (base score 5.2/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 24-Oct-2026 15:08 UTC

CWE: CWE-476, CWE-617
CCR priority: 22.0 /100 (P4)
CVSS 3.1: 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H · NVD
EPSS: 0.00148 · percentile 0.03664 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-17574.html