docker-registry — security advisory
A flaw was found in the `/v2/_catalog` endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: `n`). This vulnerability allows a malicious user to submit an unreasonably large value for `n,` causing the allocation of a massive string array, possibly causing a denial of service through excessive use of memory.
- Products
- docker-registry
- Affected versions
- Not specified
- Fixed versions
- 2.8.2+ds1-1
- CVEs
- CVE-2023-2253
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:23 UTC · Revision 1
Source evidence
A flaw was found in the `/v2/_catalog` endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: `n`). This vulnerability allows a malicious user to submit an unreasonably large value for `n,` causing the allocation of a massive string array, possibly causing a denial of service through excessive use of memory.
osv:DEBIAN-CVE-2023-2253
docker-registry
Fixed versions: 2.8.2+ds1-1
docker-registry
Fixed versions: 2.8.2+ds1-1
docker-registry
Fixed versions: 2.8.2+ds1-1
Complete source record
{
"id": "5e5c6313ed037b6ebeb53d76dbd2ed5d29ac1dd5dafed0e51c9601060c2b8b71",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-2253",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-2253",
"summary": "A flaw was found in the `/v2/_catalog` endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: `n`). This vulnerability allows a malicious user to submit an unreasonably large value for `n,` causing the allocation of a massive string array, possibly causing a denial of service through excessive use of memory.",
"evidence": "osv:DEBIAN-CVE-2023-2253",
"products": [
{
"name": {
"value": "docker-registry",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.8.2+ds1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "docker-registry",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.8.2+ds1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "docker-registry",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.8.2+ds1-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2023-2253",
"aliases": [
"DEBIAN-CVE-2023-2253"
],
"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"
},
{
"fixed": "2.8.2+ds1-1"
}
]
}
],
"package": {
"name": "docker-registry",
"purl": "pkg:deb/debian/docker-registry?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-2253.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.8.2+ds1-1"
}
]
}
],
"package": {
"name": "docker-registry",
"purl": "pkg:deb/debian/docker-registry?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-2253.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.8.2+ds1-1"
}
]
}
],
"package": {
"name": "docker-registry",
"purl": "pkg:deb/debian/docker-registry?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-2253.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:00:29.112910783Z",
"provider": "osv",
"upstream": [
"CVE-2023-2253"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-2253"
]
},
"related_cves": [
{
"value": "CVE-2023-2253",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 455033,
"published_at": "2023-06-06T20:15:12.493+00:00"
}