Security advisory

{
  "id": "9be0d661a261c3421a342ae173e89d636f978ca156047af260eeb19bb13c6e05",
  "url": "https://osv.dev/vulnerability/CVE-2016-2126",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-2126",
    "summary": "Samba version 4.0.0 up to 4.5.2 is vulnerable to privilege elevation due to incorrect handling of the PAC (Privilege Attribute Certificate) checksum. A remote, authenticated, attacker can cause the winbindd process to crash using a legitimate Kerberos ticket. A local service with access to the winbindd privileged pipe can cause winbindd to cache elevated access permissions.",
    "evidence": "osv:CVE-2016-2126",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2016-2126",
      "aliases": [
        "CVE-2016-2126"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/samba-team/samba",
              "type": "GIT",
              "events": [
                {
                  "introduced": "df33344d8eb40221d60c99931690703a11d91bc2"
                },
                {
                  "fixed": "09348d38684215a34b091dd98ea7df21fc07f32c"
                },
                {
                  "introduced": "30812c414bb0ceb95abae08c35b94b2f97be4c5c"
                },
                {
                  "fixed": "bb02ee99eadd74bf471d1fff9a2be24d1ba2a52d"
                },
                {
                  "introduced": "916fab083a8cb5c10365da7f3a85d0bbfde4a30e"
                },
                {
                  "fixed": "3da5d752a987ec1e60d7e773dfe44d38a91d8776"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0"
                      },
                      {
                        "fixed": "4.3.13"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.4.0"
                      },
                      {
                        "fixed": "4.4.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.5.0"
                      },
                      {
                        "fixed": "4.5.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "samba-4.4.7",
            "samba-4.5.2",
            "samba-4.5.0",
            "samba-4.4.4",
            "samba-4.4.3",
            "samba-4.4.2",
            "samba-4.4.1",
            "samba-4.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-2126.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:17.119156907Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2017:1265",
        "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730",
        "https://www.samba.org/samba/security/CVE-2016-2126.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-2126",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429490,
  "published_at": "2017-05-11T14:29:58.077+00:00"
}