HighFix available
libxsmm — security advisory
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).
- Products
- libxsmm
- Affected versions
- Not specified
- Fixed versions
- 1.17-1
- CVEs
- CVE-2018-20542
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:55 UTC · Revision 1
Source evidence
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).
osv:DEBIAN-CVE-2018-20542
libxsmm
Fixed versions: 1.17-1
libxsmm
Fixed versions: 1.17-1
Complete source record
{
"id": "7be8e05a2736465f2f74be9374d7858ec993c34369196d2f0b65cb20d05a8a0d",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-20542",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-20542",
"summary": "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).",
"evidence": "osv:DEBIAN-CVE-2018-20542",
"products": [
{
"name": {
"value": "libxsmm",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.17-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libxsmm",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.17-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2018-20542",
"aliases": [
"DEBIAN-CVE-2018-20542"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.17-1"
}
]
}
],
"package": {
"name": "libxsmm",
"purl": "pkg:deb/debian/libxsmm?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20542.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.17-1"
}
]
}
],
"package": {
"name": "libxsmm",
"purl": "pkg:deb/debian/libxsmm?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20542.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:56.747113599Z",
"provider": "osv",
"upstream": [
"CVE-2018-20542"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-20542"
]
},
"related_cves": [
{
"value": "CVE-2018-20542",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 422719,
"published_at": "2018-12-28T16:29:04.723+00:00"
}