MediumFix available
ncurses — security advisory
NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().
- Products
- ncurses
- Affected versions
- 6.4+20230603-1, 6.4+20230625-1, 6.4+20230625-2, 6.4+20231007-1, 6.4+20231016-1, 6.4+20231118-1, 6.4+20231121-1, 6.4+20231209-1, 6.4+20240113-1, 6.4+20240414-1, 6.4-4, 6.5+20250125-1, 6.5+20250125-2, 6.5+20250216-1, 6.5+20250216-2, 6.5+20251115-1, 6.5+20251115-2, 6.5+20251122-1, 6.5+20251123-1, 6.5-1, 6.5-2, 6.6+20251231-1, 6.6+20260608-1, 6.6+20260608-2
- Fixed versions
- 6.4+20230625-1
- CVEs
- CVE-2023-50495
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 16:19 UTC · Revision 1
Source evidence
NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().
osv:DEBIAN-CVE-2023-50495
ncurses
Fixed versions: Not specified
ncurses
Fixed versions: 6.4+20230625-1
ncurses
Fixed versions: 6.4+20230625-1
Complete source record
{
"id": "40b5212ce9a03fd31a7c3f1c8e185c958953c5057f6018d20e2224feab4ad24f",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-50495",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-50495",
"summary": "NCurse v6.4-20230418 was discovered to contain a segmentation fault via the component _nc_wrap_entry().",
"evidence": "osv:DEBIAN-CVE-2023-50495",
"products": [
{
"name": {
"value": "ncurses",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "6.4+20230603-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.4+20230625-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.4+20230625-2",
"evidence": "/affected/0/versions"
},
{
"value": "6.4+20231007-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.4+20231016-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.4+20231118-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.4+20231121-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.4+20231209-1",
"evidence": "/affected/0/versions"
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{
"value": "6.4+20240113-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.4+20240414-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.4-4",
"evidence": "/affected/0/versions"
},
{
"value": "6.5+20250125-1",
"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
},
{
"value": "6.5+20250216-2",
"evidence": "/affected/0/versions"
},
{
"value": "6.5+20251115-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.5+20251115-2",
"evidence": "/affected/0/versions"
},
{
"value": "6.5+20251122-1",
"evidence": "/affected/0/versions"
},
{
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"evidence": "/affected/0/versions"
},
{
"value": "6.5-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.5-2",
"evidence": "/affected/0/versions"
},
{
"value": "6.6+20251231-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.6+20260608-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.6+20260608-2",
"evidence": "/affected/0/versions"
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},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.4+20230625-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2023-50495",
"aliases": [
"DEBIAN-CVE-2023-50495"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ncurses",
"purl": "pkg:deb/debian/ncurses?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"6.4+20230603-1",
"6.4+20230625-1",
"6.4+20230625-2",
"6.4+20231007-1",
"6.4+20231016-1",
"6.4+20231118-1",
"6.4+20231121-1",
"6.4+20231209-1",
"6.4+20240113-1",
"6.4+20240414-1",
"6.4-4",
"6.5+20250125-1",
"6.5+20250125-2",
"6.5+20250216-1",
"6.5+20250216-2",
"6.5+20251115-1",
"6.5+20251115-2",
"6.5+20251122-1",
"6.5+20251123-1",
"6.5-1",
"6.5-2",
"6.6+20251231-1",
"6.6+20260608-1",
"6.6+20260608-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-50495.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.4+20230625-1"
}
]
}
],
"package": {
"name": "ncurses",
"purl": "pkg:deb/debian/ncurses?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-50495.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.4+20230625-1"
}
]
}
],
"package": {
"name": "ncurses",
"purl": "pkg:deb/debian/ncurses?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-50495.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:59.424780002Z",
"provider": "osv",
"upstream": [
"CVE-2023-50495"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-50495"
]
},
"related_cves": [
{
"value": "CVE-2023-50495",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 457335,
"published_at": "2023-12-12T15:15:07.867+00:00"
}