CVE-2021-45830

PoC —

CVSS 3.1

5.5 medium

EPSS

<1%p51

Published

Jan 5, 2022 (Jan 5, 2022)

Modified

Jun 17, 2026

Description

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.

Vendors: hdfgroup
Products: hdf5
Weakness: CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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