High
rails — security advisory
Rails is a web-application framework. Starting in version 7.1.0, there is a possible ReDoS vulnerability in the Accept header parsing routines of Action Dispatch. This vulnerability is patched in 7.1.3.1. Ruby 3.2 has mitigations for this problem, so Rails applications using Ruby 3.2 or newer are unaffected.
- Products
- rails
- Affected versions
- 2:4.1.10-1, 2:4.2.10-0ubuntu4, 2:4.2.10-0ubuntu4+esm1, 2:4.2.10-0ubuntu4+esm2, 2:4.2.5-1, 2:4.2.5.1-1, 2:4.2.5.2-2, 2:4.2.6-1, 2:4.2.6-1ubuntu0.1~esm1, 2:4.2.6-1ubuntu0.1~esm2, 2:4.2.9-2, 2:4.2.9-4, 2:5.2.2.1+dfsg-1ubuntu1, 2:5.2.3+dfsg-3, 2:5.2.3+dfsg-3ubuntu0.1~esm1, 2:6.0.3.7+dfsg-2, 2:6.1.4.1+dfsg-8ubuntu2, 2:6.1.4.1+dfsg-8ubuntu2+esm1, 2:6.1.7.3+dfsg-2build1, 2:6.1.7.3+dfsg-3, 2:6.1.7.3+dfsg-7, 2:7.2.2.1+dfsg-7, 2:7.2.2.2+dfsg-2, 2:7.2.3+dfsg-2, 2:7.2.3.2+dfsg-2
- Fixed versions
- Not specified
- CVEs
- CVE-2024-26142
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:12 UTC · Revision 1
Source evidence
Rails is a web-application framework. Starting in version 7.1.0, there is a possible ReDoS vulnerability in the Accept header parsing routines of Action Dispatch. This vulnerability is patched in 7.1.3.1. Ruby 3.2 has mitigations for this problem, so Rails applications using Ruby 3.2 or newer are unaffected.
osv:UBUNTU-CVE-2024-26142
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
rails
Fixed versions: Not specified
Complete source record
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"binary_version": "2:7.2.3.2+dfsg-2"
},
{
"binary_name": "ruby-actionpack",
"binary_version": "2:7.2.3.2+dfsg-2"
},
{
"binary_name": "ruby-actiontext",
"binary_version": "2:7.2.3.2+dfsg-2"
},
{
"binary_name": "ruby-actionview",
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},
{
"binary_name": "ruby-activejob",
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},
{
"binary_name": "ruby-activemodel",
"binary_version": "2:7.2.3.2+dfsg-2"
},
{
"binary_name": "ruby-activerecord",
"binary_version": "2:7.2.3.2+dfsg-2"
},
{
"binary_name": "ruby-activestorage",
"binary_version": "2:7.2.3.2+dfsg-2"
},
{
"binary_name": "ruby-activesupport",
"binary_version": "2:7.2.3.2+dfsg-2"
},
{
"binary_name": "ruby-rails",
"binary_version": "2:7.2.3.2+dfsg-2"
},
{
"binary_name": "ruby-railties",
"binary_version": "2:7.2.3.2+dfsg-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "rails",
"purl": "pkg:deb/ubuntu/rails?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"2:7.2.2.1+dfsg-7",
"2:7.2.2.2+dfsg-2",
"2:7.2.3+dfsg-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-26142.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "rails",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-actioncable",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-actionmailbox",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-actionmailer",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-actionpack",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-actiontext",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-actionview",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-activejob",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-activemodel",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-activerecord",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-activestorage",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-activesupport",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-rails",
"binary_version": "2:7.2.3+dfsg-2"
},
{
"binary_name": "ruby-railties",
"binary_version": "2:7.2.3+dfsg-2"
}
]
}
}
],
"modified": "2026-10-17T12:56:43.552245147Z",
"provider": "osv",
"upstream": [
"CVE-2024-26142"
],
"references": [
"https://ubuntu.com/security/CVE-2024-26142",
"https://github.com/rails/rails/security/advisories/GHSA-jjhx-jhvp-74wq",
"https://github.com/rails/rails/commit/b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272",
"https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-parsing-in-action-dispatch/84946",
"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2024-26142.yml",
"https://www.cve.org/CVERecord?id=CVE-2024-26142"
]
},
"related_cves": [
{
"value": "CVE-2024-26142",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 356061,
"published_at": "2024-02-27T16:15:00+00:00"
}