linux-ftpd-ssl — security advisory

{
  "id": "4c06cfeb4b73ae71c23e162d8b4f6cfa53283b09e52d200ff945553dc5927205",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-6263",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2007-6263",
    "summary": "The dataconn function in ftpd.c in netkit ftpd (netkit-ftpd) 0.17, when certain modifications to support SSL have been introduced, calls fclose on an uninitialized file stream, which allows remote attackers to cause a denial of service (daemon crash) and possibly have unspecified other impact via some types of FTP over SSL protocol behavior, as demonstrated by breaking a passive FTP DATA connection in a way that triggers an error in the server's SSL_accept function. NOTE: the netkit ftp issue is covered by CVE-2007-5769.",
    "evidence": "osv:DEBIAN-CVE-2007-6263",
    "products": [
      {
        "name": {
          "value": "linux-ftpd-ssl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.17.18+0.3-9.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-ftpd-ssl",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.17.18+0.3-9.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "0.17.12+0.3-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "0.17.18+0.3-3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "0.17.18+0.3-3sarge1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "0.17.18+0.3-4",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "0.17.18+0.3-5",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "0.17.18+0.3-6",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "0.17.18+0.3-6etch1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "0.17.18+0.3-7",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "0.17.18+0.3-8",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "0.17.18+0.3-9",
            "evidence": "/affected/1/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2007-6263",
      "aliases": [
        "DEBIAN-CVE-2007-6263"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.17.18+0.3-9.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-ftpd-ssl",
            "purl": "pkg:deb/debian/linux-ftpd-ssl?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6263.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.17.18+0.3-9.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-ftpd-ssl",
            "purl": "pkg:deb/debian/linux-ftpd-ssl?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "versions": [
            "0.17.12+0.3-2",
            "0.17.18+0.3-3",
            "0.17.18+0.3-3sarge1",
            "0.17.18+0.3-4",
            "0.17.18+0.3-5",
            "0.17.18+0.3-6",
            "0.17.18+0.3-6etch1",
            "0.17.18+0.3-7",
            "0.17.18+0.3-8",
            "0.17.18+0.3-9"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6263.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        }
      ],
      "modified": "2026-10-21T17:47:44.936972763Z",
      "provider": "osv",
      "upstream": [
        "CVE-2007-6263"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2007-6263"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2007-6263",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 398555,
  "published_at": "2007-12-06T15:46:00+00:00"
}