CVE-2021-36977

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CVSS 3.1

6.5 medium

EPSS

2%p73

Published

Jul 20, 2021 (Jul 20, 2021)

Modified

Jun 17, 2026

Description

matio (aka MAT File I/O Library) 1.5.20 and 1.5.21 has a heap-based buffer overflow in H5MM_memcpy (called from H5MM_malloc and H5C_load_entry), related to use of HDF5 1.12.0.

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

NVD CVE.org GitHub PoCs EPSS (1.5%)

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