MediumFix available
opensc — security advisory
Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash. An attack requires a crafted USB device or smart card that would present the system with specially crafted responses to the APDUs
- Products
- opensc
- Affected versions
- 0.23.0-0.3, 0.23.0-0.3+deb12u1, 0.23.0-0.3+deb12u2, 0.23.0-1, 0.23.0-2, 0.24.0~rc1-1, 0.25.0~rc1-1, 0.25.1-1, 0.25.1-2, 0.25.1-2.1, 0.26.0-1, 0.26.1-1, 0.26.1-2, 0.26.1-3, 0.27.0~rc1-1, 0.27.0~rc2-1, 0.27.1-1, 0.27.1-2, 0.27.1-3
- Fixed versions
- 0.27.0~rc1-1
- CVEs
- CVE-2025-13763
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 17:26 UTC · Revision 1
Source evidence
Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash. An attack requires a crafted USB device or smart card that would present the system with specially crafted responses to the APDUs
osv:DEBIAN-CVE-2025-13763
opensc
Fixed versions: Not specified
opensc
Fixed versions: Not specified
opensc
Fixed versions: 0.27.0~rc1-1
Complete source record
{
"id": "04171a8575f38aea1e588f2ad9a29fe43c4937c97ba2c2ffe79ba4fa4c2ff85a",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2025-13763",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2025-13763",
"summary": "Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash. An attack requires a crafted USB device or smart card that would present the system with specially crafted responses to the APDUs",
"evidence": "osv:DEBIAN-CVE-2025-13763",
"products": [
{
"name": {
"value": "opensc",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.23.0-0.3",
"evidence": "/affected/0/versions"
},
{
"value": "0.23.0-0.3+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "0.23.0-0.3+deb12u2",
"evidence": "/affected/0/versions"
},
{
"value": "0.23.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.23.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "0.24.0~rc1-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.25.0~rc1-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.25.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.25.1-2",
"evidence": "/affected/0/versions"
},
{
"value": "0.25.1-2.1",
"evidence": "/affected/0/versions"
},
{
"value": "0.26.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.26.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.26.1-2",
"evidence": "/affected/0/versions"
},
{
"value": "0.26.1-3",
"evidence": "/affected/0/versions"
},
{
"value": "0.27.0~rc1-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.27.0~rc2-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.27.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.27.1-2",
"evidence": "/affected/0/versions"
},
{
"value": "0.27.1-3",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "opensc",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.26.1-2",
"evidence": "/affected/1/versions"
},
{
"value": "0.26.1-3",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0~rc1-1",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0~rc2-1",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.1-1",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.1-2",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.1-3",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "opensc",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.27.0~rc1-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "0.26.1-2",
"evidence": "/affected/2/versions"
},
{
"value": "0.26.1-3",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2025-13763",
"aliases": [
"DEBIAN-CVE-2025-13763"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opensc",
"purl": "pkg:deb/debian/opensc?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"0.23.0-0.3",
"0.23.0-0.3+deb12u1",
"0.23.0-0.3+deb12u2",
"0.23.0-1",
"0.23.0-2",
"0.24.0~rc1-1",
"0.25.0~rc1-1",
"0.25.1-1",
"0.25.1-2",
"0.25.1-2.1",
"0.26.0-1",
"0.26.1-1",
"0.26.1-2",
"0.26.1-3",
"0.27.0~rc1-1",
"0.27.0~rc2-1",
"0.27.1-1",
"0.27.1-2",
"0.27.1-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-13763.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opensc",
"purl": "pkg:deb/debian/opensc?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"0.26.1-2",
"0.26.1-3",
"0.27.0~rc1-1",
"0.27.0~rc2-1",
"0.27.1-1",
"0.27.1-2",
"0.27.1-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-13763.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.27.0~rc1-1"
}
]
}
],
"package": {
"name": "opensc",
"purl": "pkg:deb/debian/opensc?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"0.26.1-2",
"0.26.1-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-13763.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T10:02:03.520895032Z",
"provider": "osv",
"upstream": [
"CVE-2025-13763"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2025-13763"
]
},
"related_cves": [
{
"value": "CVE-2025-13763",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 330392,
"published_at": "2026-04-23T13:16:09.697+00:00"
}