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modsecurity-apache — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2012-2751

ModSecurity before 2.6.6, when used with PHP, does not properly handle single quotes not at the beginning of a request parameter value in the Content-Disposition field of a request with a multipart/form-data Content-Type header, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks. NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-5031.

Products
modsecurity-apache
Affected versions
Not specified
Fixed versions
2.6.6-1
CVEs
CVE-2012-2751
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 23:04 UTC · Revision 1

Source evidence

DEBIAN-CVE-2012-2751

core-osv · Original source

Published 22 Jul 2012, 16:55 UTC

ModSecurity before 2.6.6, when used with PHP, does not properly handle single quotes not at the beginning of a request parameter value in the Content-Disposition field of a request with a multipart/form-data Content-Type header, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks. NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-5031.

osv:DEBIAN-CVE-2012-2751

modsecurity-apache

Fixed versions: 2.6.6-1

modsecurity-apache

Fixed versions: 2.6.6-1

modsecurity-apache

Fixed versions: 2.6.6-1

Complete source record
{
  "id": "b1b58d75045682a3a361a6cd4428a389ca3fdd62fedc4dc6c1968768227bd647",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2012-2751",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2012-2751",
    "summary": "ModSecurity before 2.6.6, when used with PHP, does not properly handle single quotes not at the beginning of a request parameter value in the Content-Disposition field of a request with a multipart/form-data Content-Type header, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks. NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-5031.",
    "evidence": "osv:DEBIAN-CVE-2012-2751",
    "products": [
      {
        "name": {
          "value": "modsecurity-apache",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.6-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "modsecurity-apache",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.6-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "modsecurity-apache",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.6-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2012-2751",
      "aliases": [
        "DEBIAN-CVE-2012-2751"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "modsecurity-apache",
            "purl": "pkg:deb/debian/modsecurity-apache?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-2751.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "modsecurity-apache",
            "purl": "pkg:deb/debian/modsecurity-apache?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-2751.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "modsecurity-apache",
            "purl": "pkg:deb/debian/modsecurity-apache?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-2751.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T17:47:34.225238567Z",
      "provider": "osv",
      "upstream": [
        "CVE-2012-2751"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2012-2751"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2012-2751",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 417682,
  "published_at": "2012-07-22T16:55:27.96+00:00"
}