CVE-2026-17573

Medium

Open

TLP:CLEAR

Double Free in H5D__chunk_copy() in HDF5 via a Crafted Chunk-Index Size Field

NVD CVE.org

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Description

A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an oversized chunk size field via h5repack may cause the application to abort due to a double free.

Details

CVSS Score: 4.0
EPSS Score ⓘ: 0.12%

2th percentile
CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
Confidence: 90%
Published: Jul 27, 2026
Last Modified: Jul 27, 2026

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