ruby-rack — security advisory
A denial of service vulnerability in the multipart parsing component of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1 and 3.0.0.1 could allow an attacker tocraft input that can cause RFC2183 multipart boundary parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse multipart posts using Rack (virtually all Rails applications) are impacted.
- Products
- ruby-rack
- Affected versions
- Not specified
- Fixed versions
- 2.2.4-3
- CVEs
- CVE-2022-44572
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 15:32 UTC · Revision 1
Source evidence
A denial of service vulnerability in the multipart parsing component of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1 and 3.0.0.1 could allow an attacker tocraft input that can cause RFC2183 multipart boundary parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse multipart posts using Rack (virtually all Rails applications) are impacted.
osv:DEBIAN-CVE-2022-44572
ruby-rack
Fixed versions: 2.2.4-3
ruby-rack
Fixed versions: 2.2.4-3
ruby-rack
Fixed versions: 2.2.4-3
Complete source record
{
"id": "38a8bedaf59f23437872bf4aab8c0c95fd9f73df9965df319f0c02818f0fa0a4",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-44572",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-44572",
"summary": "A denial of service vulnerability in the multipart parsing component of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1 and 3.0.0.1 could allow an attacker tocraft input that can cause RFC2183 multipart boundary parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse multipart posts using Rack (virtually all Rails applications) are impacted.",
"evidence": "osv:DEBIAN-CVE-2022-44572",
"products": [
{
"name": {
"value": "ruby-rack",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.4-3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
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},
{
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"fixed_versions": [
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}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2022-44572",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
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"type": "ECOSYSTEM",
"events": [
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"introduced": "0"
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{
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],
"package": {
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"purl": "pkg:deb/debian/ruby-rack?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-44572.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
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"events": [
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],
"package": {
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"purl": "pkg:deb/debian/ruby-rack?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-44572.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
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},
{
"ranges": [
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"type": "ECOSYSTEM",
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{
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],
"package": {
"name": "ruby-rack",
"purl": "pkg:deb/debian/ruby-rack?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-44572.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:03:05.913537326Z",
"provider": "osv",
"upstream": [
"CVE-2022-44572"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-44572"
]
},
"related_cves": [
{
"value": "CVE-2022-44572",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 325141,
"published_at": "2023-02-09T20:15:11.22+00:00"
}