bind9 — security advisory

{
  "id": "5e30feab9e5924514522a0602da1c8c61f5ae93764b9e0b9eae0a55a71284f1b",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-5517",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2023-5517",
    "summary": "A flaw in query-handling code can cause `named` to exit prematurely with an assertion failure when: - `nxdomain-redirect ;` is configured, and - the resolver receives a PTR query for an RFC 1918 address that would normally result in an authoritative NXDOMAIN response. This issue affects BIND 9 versions 9.12.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.",
    "evidence": "osv:DEBIAN-CVE-2023-5517",
    "products": [
      {
        "name": {
          "value": "bind9",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:9.18.24-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "1:9.18.12-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1:9.18.13-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1:9.18.16-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1:9.18.16-1~deb12u1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1:9.18.16-1~deb12u1~bpo11+1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1:9.18.19-1~deb12u1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1:9.18.19-1~deb12u1~bpo11+1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1:9.18.24-1~bpo11+1",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "bind9",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:9.19.21-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "bind9",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:9.19.21-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2023-5517",
      "aliases": [
        "DEBIAN-CVE-2023-5517"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:9.18.24-1"
                }
              ]
            }
          ],
          "package": {
            "name": "bind9",
            "purl": "pkg:deb/debian/bind9?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "versions": [
            "1:9.18.12-1",
            "1:9.18.13-1",
            "1:9.18.16-1",
            "1:9.18.16-1~deb12u1",
            "1:9.18.16-1~deb12u1~bpo11+1",
            "1:9.18.19-1~deb12u1",
            "1:9.18.19-1~deb12u1~bpo11+1",
            "1:9.18.24-1~bpo11+1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-5517.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:9.19.21-1"
                }
              ]
            }
          ],
          "package": {
            "name": "bind9",
            "purl": "pkg:deb/debian/bind9?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-5517.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:9.19.21-1"
                }
              ]
            }
          ],
          "package": {
            "name": "bind9",
            "purl": "pkg:deb/debian/bind9?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-5517.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-26T18:03:10.638958216Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-5517"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2023-5517"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-5517",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 457990,
  "published_at": "2024-02-13T14:15:45.51+00:00"
}