CVE-2026-19023: HDF5 <= 2.3.0

CVE-2026-19023. EPSS 0.00168 (percentile 0.05839), scored 22-Oct-2026.

Affected technology

HDF5 · <= 2.3.0
The HDF Group

Description’s affected range: before 2.3.0

Component: h5dump
Function: in

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

What an attacker can do

Source advisory’s CVSS 4.0 assessment (base score 6.8/10) 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 01:45 UTC

CWE: CWE-822
CCR priority: 0.0 /100 (P5)
EPSS: 0.00168 · percentile 0.05839 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-19023.html