Medium
libspring-java — security advisory
In spring framework versions prior to 5.2.24 release+ ,5.3.27+ and 6.0.8+ , it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.
- Products
- libspring-java
- Affected versions
- 4.3.30-2, 4.3.30-3, 4.3.30-4, 4.3.30-5, 4.3.30-6
- Fixed versions
- Not specified
- CVEs
- CVE-2023-20863
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:24 UTC · Revision 1
Source evidence
In spring framework versions prior to 5.2.24 release+ ,5.3.27+ and 6.0.8+ , it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.
osv:DEBIAN-CVE-2023-20863
libspring-java
Fixed versions: Not specified
libspring-java
Fixed versions: Not specified
libspring-java
Fixed versions: Not specified
Complete source record
{
"id": "71f4cc252544202aaa8358dddf7c2c84cd9d1bdf46e2092af670f8c97b51eb23",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-20863",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-20863",
"summary": "In spring framework versions prior to 5.2.24 release+ ,5.3.27+ and 6.0.8+ , it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.",
"evidence": "osv:DEBIAN-CVE-2023-20863",
"products": [
{
"name": {
"value": "libspring-java",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.3.30-2",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.30-3",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.30-4",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.30-5",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.30-6",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "libspring-java",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.3.30-3",
"evidence": "/affected/1/versions"
},
{
"value": "4.3.30-4",
"evidence": "/affected/1/versions"
},
{
"value": "4.3.30-5",
"evidence": "/affected/1/versions"
},
{
"value": "4.3.30-6",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "libspring-java",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.3.30-3",
"evidence": "/affected/2/versions"
},
{
"value": "4.3.30-4",
"evidence": "/affected/2/versions"
},
{
"value": "4.3.30-5",
"evidence": "/affected/2/versions"
},
{
"value": "4.3.30-6",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2023-20863",
"aliases": [
"DEBIAN-CVE-2023-20863"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libspring-java",
"purl": "pkg:deb/debian/libspring-java?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"4.3.30-2",
"4.3.30-3",
"4.3.30-4",
"4.3.30-5",
"4.3.30-6"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-20863.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libspring-java",
"purl": "pkg:deb/debian/libspring-java?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"4.3.30-3",
"4.3.30-4",
"4.3.30-5",
"4.3.30-6"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-20863.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libspring-java",
"purl": "pkg:deb/debian/libspring-java?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"4.3.30-3",
"4.3.30-4",
"4.3.30-5",
"4.3.30-6"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-20863.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-26T18:00:30.001882578Z",
"provider": "osv",
"upstream": [
"CVE-2023-20863"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-20863"
]
},
"related_cves": [
{
"value": "CVE-2023-20863",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 455043,
"published_at": "2023-04-13T20:15:07.777+00:00"
}