CVE-2018-20542

8.8 highEPSS 1.9%

High (8.8) in libxsmm project libxsmm. EPSS 1.9% chance of exploitation in the next 30 days.

There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function libxsmm_sparse_csc_reader) in LIBXSMM 1.10, a different vulnerability than CVE-2018-20541 (which is in a different part of the source code and is seen at a different address).

Severity

CVSS 3.0

8.8 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-11-01)
CWE: CWE-119
Published: 2018-12-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

libxsmm_project:libxsmm

References

https://bugzilla.redhat.com/show_bug.cgi?id=1652633
https://bugzilla.redhat.com/show_bug.cgi?id=1652635
https://github.com/hfp/libxsmm/commit/151481489192e6d1997f8bde52c5c425ea41741d
https://github.com/hfp/libxsmm/issues/287
https://bugzilla.redhat.com/show_bug.cgi?id=1652633

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