ruby-rails-html-sanitizer — security advisory
rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Certain configurations of rails-html-sanitizer < 1.4.4 use an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue has been patched in version 1.4.4.
- Products
- ruby-rails-html-sanitizer
- Affected versions
- Not specified
- Fixed versions
- 1.4.4-1
- CVEs
- CVE-2022-23517
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 15:00 UTC · Revision 1
Source evidence
rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Certain configurations of rails-html-sanitizer < 1.4.4 use an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue has been patched in version 1.4.4.
osv:DEBIAN-CVE-2022-23517
ruby-rails-html-sanitizer
Fixed versions: 1.4.4-1
ruby-rails-html-sanitizer
Fixed versions: 1.4.4-1
ruby-rails-html-sanitizer
Fixed versions: 1.4.4-1
Complete source record
{
"id": "dcc1855b0bec5f8e56a79d0e4fe7b7926113dd970630170c6f1498a21aa1ec64",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-23517",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-23517",
"summary": "rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Certain configurations of rails-html-sanitizer < 1.4.4 use an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue has been patched in version 1.4.4.",
"evidence": "osv:DEBIAN-CVE-2022-23517",
"products": [
{
"name": {
"value": "ruby-rails-html-sanitizer",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.4-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ruby-rails-html-sanitizer",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.4-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ruby-rails-html-sanitizer",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.4-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2022-23517",
"aliases": [
"DEBIAN-CVE-2022-23517"
],
"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": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.4-1"
}
]
}
],
"package": {
"name": "ruby-rails-html-sanitizer",
"purl": "pkg:deb/debian/ruby-rails-html-sanitizer?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-23517.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.4-1"
}
]
}
],
"package": {
"name": "ruby-rails-html-sanitizer",
"purl": "pkg:deb/debian/ruby-rails-html-sanitizer?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-23517.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.4-1"
}
]
}
],
"package": {
"name": "ruby-rails-html-sanitizer",
"purl": "pkg:deb/debian/ruby-rails-html-sanitizer?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-23517.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:02:42.598034402Z",
"provider": "osv",
"upstream": [
"CVE-2022-23517"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-23517"
]
},
"related_cves": [
{
"value": "CVE-2022-23517",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 324023,
"published_at": "2022-12-14T17:15:10.13+00:00"
}