P5Verified

CVE-2026-19026: HDF5 <=2.3.0

CVE-2026-19026. EPSS 0.0018 (percentile 0.06918), scored 2026-10-05.

Affected technology

HDF5 · <=2.3.0
The HDF Group

Description’s affected range: prior to 2.3.0 dereferences cd_values[0] through cd_values[4] without validating that cd_values is non-NULL or that cd_nelmts is at least 5

Component: Not specified by the source

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

What an attacker can do

The source reports that an attacker could disrupt service. Source advisory’s CVSS 4.0 assessment (base score 6.8/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 2026-10-07 02:35:20.526210+00:00

CWE: CWE-476, CWE-1284
CCR priority: 0.0 /100 (P5)
EPSS: 0.0018 · percentile 0.06918 · 2026-10-05
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 02:34:12.333111+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-19026.html