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postfix — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2003-0468

Postfix 1.1.11 and earlier allows remote attackers to use Postfix to conduct "bounce scans" or DDos attacks of other hosts via an email address to the local host containing the target IP address and service name followed by a "!" string, which causes Postfix to attempt to use SMTP to communicate with the target on the associated port.

Products
postfix
Affected versions
Not specified
Fixed versions
1.1.12
CVEs
CVE-2003-0468
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 20:09 UTC · Revision 1

Source evidence

DEBIAN-CVE-2003-0468

core-osv · Original source

Published 27 Aug 2003, 04:00 UTC

Postfix 1.1.11 and earlier allows remote attackers to use Postfix to conduct "bounce scans" or DDos attacks of other hosts via an email address to the local host containing the target IP address and service name followed by a "!" string, which causes Postfix to attempt to use SMTP to communicate with the target on the associated port.

osv:DEBIAN-CVE-2003-0468

postfix

Fixed versions: 1.1.12

postfix

Fixed versions: 1.1.12

postfix

Fixed versions: 1.1.12

Complete source record
{
  "id": "146f23794352adf7f33714da01432e863fd5e89fb7712e613b4c48539e0da1f5",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2003-0468",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2003-0468",
    "summary": "Postfix 1.1.11 and earlier allows remote attackers to use Postfix to conduct \"bounce scans\" or DDos attacks of other hosts via an email address to the local host containing the target IP address and service name followed by a \"!\" string, which causes Postfix to attempt to use SMTP to communicate with the target on the associated port.",
    "evidence": "osv:DEBIAN-CVE-2003-0468",
    "products": [
      {
        "name": {
          "value": "postfix",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.1.12",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "postfix",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.1.12",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "postfix",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.1.12",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2003-0468",
      "aliases": [
        "DEBIAN-CVE-2003-0468"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.1.12"
                }
              ]
            }
          ],
          "package": {
            "name": "postfix",
            "purl": "pkg:deb/debian/postfix?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0468.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.1.12"
                }
              ]
            }
          ],
          "package": {
            "name": "postfix",
            "purl": "pkg:deb/debian/postfix?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0468.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.1.12"
                }
              ]
            }
          ],
          "package": {
            "name": "postfix",
            "purl": "pkg:deb/debian/postfix?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0468.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-22T23:47:19.448943483Z",
      "provider": "osv",
      "upstream": [
        "CVE-2003-0468"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2003-0468"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2003-0468",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 410204,
  "published_at": "2003-08-27T04:00:00+00:00"
}