CriticalFix available
memcached — security advisory
In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.
- Products
- memcached
- Affected versions
- 1.6.18-1
- Fixed versions
- 1.6.18-1+deb12u1, 1.6.22-1
- CVEs
- CVE-2023-46853
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 16:06 UTC · Revision 1
Source evidence
In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.
osv:DEBIAN-CVE-2023-46853
memcached
Fixed versions: 1.6.18-1+deb12u1
memcached
Fixed versions: 1.6.22-1
memcached
Fixed versions: 1.6.22-1
Complete source record
{
"id": "7ed47c2239dd8730ea5a50e9788bee8783907fca0a1d59a158f19669013d7df2",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-46853",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-46853",
"summary": "In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \\n is used instead of \\r\\n.",
"evidence": "osv:DEBIAN-CVE-2023-46853",
"products": [
{
"name": {
"value": "memcached",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.18-1+deb12u1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "1.6.18-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "memcached",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.22-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "memcached",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.22-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "critical",
"structured": {
"id": "DEBIAN-CVE-2023-46853",
"aliases": [
"DEBIAN-CVE-2023-46853"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.18-1+deb12u1"
}
]
}
],
"package": {
"name": "memcached",
"purl": "pkg:deb/debian/memcached?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.6.18-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-46853.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.22-1"
}
]
}
],
"package": {
"name": "memcached",
"purl": "pkg:deb/debian/memcached?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-46853.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.22-1"
}
]
}
],
"package": {
"name": "memcached",
"purl": "pkg:deb/debian/memcached?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-46853.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:42.325478614Z",
"provider": "osv",
"upstream": [
"CVE-2023-46853"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-46853"
]
},
"related_cves": [
{
"value": "CVE-2023-46853",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 456644,
"published_at": "2023-10-27T20:15:09.177+00:00"
}