Skip to content
Heist/ feed
Back to feed
UnratedFix available

python-tornado — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2012-2374

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

DEBIAN-CVE-2012-2374

core-osv · Original source

Published 23 May 2012, 20:55 UTC

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"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.1.0-3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python-tornado",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.1.0-3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python-tornado",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.1.0-3",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2012-2374",
      "aliases": [
        "DEBIAN-CVE-2012-2374"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.1.0-3"
                }
              ]
            }
          ],
          "package": {
            "name": "python-tornado",
            "purl": "pkg:deb/debian/python-tornado?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-2374.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.1.0-3"
                }
              ]
            }
          ],
          "package": {
            "name": "python-tornado",
            "purl": "pkg:deb/debian/python-tornado?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-2374.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.1.0-3"
                }
              ]
            }
          ],
          "package": {
            "name": "python-tornado",
            "purl": "pkg:deb/debian/python-tornado?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-2374.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        }
      ],
      "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"
}