Security advisory

{
  "id": "1f9eb66de6af080f50910b2a2407a78457e113ff3e0b046c5a451555fd822eda",
  "url": "https://osv.dev/vulnerability/CVE-2017-9445",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-9445",
    "summary": "In systemd through 233, certain sizes passed to dns_packet_new in systemd-resolved can cause it to allocate a buffer that's too small. A malicious DNS server can exploit this via a response with a specially crafted TCP payload to trick systemd-resolved into allocating a buffer that's too small, and subsequently write arbitrary data beyond the end of it.",
    "evidence": "osv:CVE-2017-9445",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-9445",
      "aliases": [
        "CVE-2017-9445"
      ],
      "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": [
            {
              "repo": "https://github.com/systemd/systemd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "39d1a2d05d4cc75c57de2658ceef04caa9928768"
                },
                {
                  "last_affected": "d60c527009133a1ed3d69c14b8c837c790e78d10"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "223"
                      },
                      {
                        "last_affected": "233"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v233",
            "v232",
            "v231",
            "v230",
            "v229",
            "v228",
            "v227",
            "v226",
            "v225",
            "v224",
            "v223"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9445.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/systemd/systemd-stable",
              "type": "GIT",
              "events": [
                {
                  "introduced": "39d1a2d05d4cc75c57de2658ceef04caa9928768"
                },
                {
                  "last_affected": "d60c527009133a1ed3d69c14b8c837c790e78d10"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "223"
                      },
                      {
                        "last_affected": "233"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v233",
            "v232",
            "v231",
            "v230",
            "v229",
            "v228",
            "v227",
            "v226",
            "v225",
            "v224",
            "v223"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9445.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:01.816500220Z",
      "provider": "osv",
      "references": [
        "https://launchpad.net/bugs/1695546"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-9445",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 439886,
  "published_at": "2017-06-28T06:29:00.19+00:00"
}