CVE-2018-20543: Libxsmm Project Libxsmm

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

There is an attempted excessive memory allocation at libxsmm_sparse_csc_reader in generator_spgemm_csc_reader.c in LIBXSMM 1.10 that will cause a denial of service.

Affected products

• Libxsmm Project Libxsmm: version 1.10 only

Published 2018-12-28. Last modified 2026-06-17.