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djbdns — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2012-1191

The resolver in dnscache in Daniel J. Bernstein djbdns 1.05 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.

Products
djbdns
Affected versions
Not specified
Fixed versions
1:1.05-10
CVEs
CVE-2012-1191
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 22:26 UTC · Revision 1

Source evidence

DEBIAN-CVE-2012-1191

core-osv · Original source

Published 17 Feb 2012, 22:55 UTC

The resolver in dnscache in Daniel J. Bernstein djbdns 1.05 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.

osv:DEBIAN-CVE-2012-1191

djbdns

Fixed versions: 1:1.05-10

djbdns

Fixed versions: 1:1.05-10

djbdns

Fixed versions: 1:1.05-10

Complete source record
{
  "id": "5c8a06ca310b5b483a262af85669a06669127163c282bb090e096eb1f24fef82",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2012-1191",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2012-1191",
    "summary": "The resolver in dnscache in Daniel J. Bernstein djbdns 1.05 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a \"ghost domain names\" attack.",
    "evidence": "osv:DEBIAN-CVE-2012-1191",
    "products": [
      {
        "name": {
          "value": "djbdns",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:1.05-10",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "djbdns",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:1.05-10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "djbdns",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:1.05-10",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2012-1191",
      "aliases": [
        "DEBIAN-CVE-2012-1191"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:1.05-10"
                }
              ]
            }
          ],
          "package": {
            "name": "djbdns",
            "purl": "pkg:deb/debian/djbdns?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-1191.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:1.05-10"
                }
              ]
            }
          ],
          "package": {
            "name": "djbdns",
            "purl": "pkg:deb/debian/djbdns?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-1191.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:1.05-10"
                }
              ]
            }
          ],
          "package": {
            "name": "djbdns",
            "purl": "pkg:deb/debian/djbdns?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-1191.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T17:47:21.482210720Z",
      "provider": "osv",
      "upstream": [
        "CVE-2012-1191"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2012-1191"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2012-1191",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 416498,
  "published_at": "2012-02-17T22:55:00.65+00:00"
}