UnratedFix available
python-tornado — security advisory
CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input.
- Products
- python-tornado
- Affected versions
- Not specified
- Fixed versions
- 2.1.0-3
- CVEs
- CVE-2012-2374
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:57 UTC · Revision 1
Source evidence
CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input.
osv:DEBIAN-CVE-2012-2374
python-tornado
Fixed versions: 2.1.0-3
python-tornado
Fixed versions: 2.1.0-3
python-tornado
Fixed versions: 2.1.0-3
Complete source record
{
"id": "436402ecc4d93ece174eb8f9f397374003468a132de9c9338373b85dd5d25a8b",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2012-2374",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2012-2374",
"summary": "CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input.",
"evidence": "osv:DEBIAN-CVE-2012-2374",
"products": [
{
"name": {
"value": "python-tornado",
"evidence": "/affected/0/package/name"
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"fixed_versions": [
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"evidence": "/affected/0/ranges"
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"affected_versions": []
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{
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"severity": "unknown",
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"aliases": [
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"affected": [
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"purl": "pkg:deb/debian/python-tornado?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
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"database_specific": {
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},
"ecosystem_specific": {
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}
],
"modified": "2026-10-23T17:47:30.632965310Z",
"provider": "osv",
"upstream": [
"CVE-2012-2374"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2012-2374"
]
},
"related_cves": [
{
"value": "CVE-2012-2374",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 417330,
"published_at": "2012-05-23T20:55:01.727+00:00"
}