Critical
Security advisory
nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-20367
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:35 UTC · Revision 1
Source evidence
nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).
osv:CVE-2019-20367
Complete source record
{
"id": "48392b35ed760d197db3cca1c6408f1ab2de919aee047c6864cfbf46f30319c4",
"url": "https://osv.dev/vulnerability/CVE-2019-20367",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-20367",
"summary": "nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).",
"evidence": "osv:CVE-2019-20367",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2019-20367",
"aliases": [
"CVE-2019-20367"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.freedesktop.org/libbsd/libbsd",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "a11c98a6b5f57666260a5a4792404d81d59e418d"
},
{
"fixed": "9d917aad37778a9f4a96ba358415f077f3f36f3b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:freedesktop:libbsd:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.10.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "9d917aad37778a9f4a96ba358415f077f3f36f3b"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"0.9.1",
"0.9.0",
"0.8.7",
"0.8.6",
"0.8.5",
"0.8.4",
"0.8.3",
"0.8.2",
"0.8.1",
"0.8.0",
"0.7.0",
"0.6.0",
"0.5.2",
"0.5.1",
"0.5.0",
"0.4.2",
"0.4.1",
"0.4.0",
"0.3.0",
"0.2.0",
"0.1.6",
"0.1.5",
"0.1.4",
"0.1.3",
"0.1.2",
"0.1.1",
"0.1.0",
"0.0.1",
"0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20367.json",
"vanir_signatures": [
{
"id": "CVE-2019-20367-42b4aa86",
"digest": {
"threshold": 0.9,
"line_hashes": [
"196345775308584474326548203501370608928",
"117179312383696696732209002964919880424",
"30096019812250696087892895259766991307",
"67648858372622382913984756949145775050",
"246870043550956115314895576834314496114",
"308007934934988426552422046358506278415",
"8420698635247680829431571837603296816",
"208920325444813761589317409971170606869",
"234432775420817522155667897046249299351",
"72935726870559338984664214232075252684",
"136385293728070607369190962627516719091",
"213708016270590239438244198869379749218"
]
},
"source": "https://gitlab.freedesktop.org/libbsd/libbsd@9d917aad37778a9f4a96ba358415f077f3f36f3b",
"target": {
"file": "src/nlist.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2019-20367-fac8a904",
"digest": {
"length": 2396,
"function_hash": "136690924035898766300959581100126504118"
},
"source": "https://gitlab.freedesktop.org/libbsd/libbsd@9d917aad37778a9f4a96ba358415f077f3f36f3b",
"target": {
"file": "src/nlist.c",
"function": "__fdnlist"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:55:51Z"
}
}
],
"modified": "2026-10-20T13:55:51.666461135Z",
"provider": "osv",
"references": [
"https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
"https://lists.apache.org/thread.html/r0e913668380f59bcbd14fdd8ae8d24f95f99995e290cd18a7822c6e5%40%3Cdev.tomee.apache.org%3E",
"https://lists.apache.org/thread.html/ra781e51cf1ec40381c98cddc073b3576fb56c3978f4564d2fa431550%40%3Cdev.tomee.apache.org%3E",
"https://lists.debian.org/debian-lts-announce/2021/02/msg00027.html",
"https://lists.freedesktop.org/archives/libbsd/2019-August/000229.html",
"https://usn.ubuntu.com/4243-1/",
"https://gitlab.freedesktop.org/libbsd/libbsd/commit/9d917aad37778a9f4a96ba358415f077f3f36f3b"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "12.04"
},
{
"last_affected": "12.04"
},
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "19.04"
},
{
"last_affected": "19.04"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
],
"vendor_product": "opensuse:leap",
"extracted_events": [
{
"range": [
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-20367",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388387,
"published_at": "2020-01-08T17:15:11.757+00:00"
}