CVE catalog

CVE-2018-20541

libxsmm: CVE-2018-20541

Severity: Low · CVSS 3.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Published: Nov 26, 2018, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.92% · Oct 27, 2026

There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at generator_spgemm_csc_reader.c in LIBXSMM 1.10, a different vulnerability than CVE-2018-20542 (which is in a different part of the source code and is seen at different addresses).

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	libxsmm	sid	`1.17-4`	fixed
Debian	libxsmm	trixie	`1.17-4`	fixed
Debian	libxsmm	bookworm	`1.17-2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libxsmm	source	sid	`1.17-1`	not yet assigned	Not reported	[917526]
Debian	libxsmm	source	trixie	`1.17-1`	not yet assigned	Not reported	[917526]
Debian	libxsmm	source	bookworm	`1.17-1`	not yet assigned	Not reported	[917526]

[Debian bug #917526]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libxsmm-dev]Fixed
Source package: [libxsmm]
Details (1)
- 1.17-2 · amd64 · bookworm
  Fixed · Fixed: 1.17-1
  dsa · libxsmm · debian · bookworm; dsa · libxsmm · debian · 12

[Debian 13 (Trixie)]

[libxsmm-dev]Fixed
Source package: [libxsmm]
Details (1)
- 1.17-4 · amd64 · trixie
  Fixed · Fixed: 1.17-1
  dsa · libxsmm · debian · 13

Observed: Oct 23, 2026, 5:36:04 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]