Security advisory

{
  "id": "a62092ccaf517c2a7be11e9e5e56d299e1cf44d4f51182d5da9f7433d2526aec",
  "url": "https://osv.dev/vulnerability/CVE-2019-13917",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-13917",
    "summary": "Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain).",
    "evidence": "osv:CVE-2019-13917",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2019-13917",
      "aliases": [
        "CVE-2019-13917"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/exim/exim",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7fcd7cd65f514c57b0670633c4d8d9583294f6a9"
                },
                {
                  "last_affected": "ae63862ba6f6ee0c17ec865cc6cf0eebb3ca2389"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.85"
                      },
                      {
                        "last_affected": "4.92"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "exim-4.92-jgh",
            "exim-4.92-RC6",
            "exim-4.92",
            "exim-4.92-RC5",
            "exim-4.92-RC4",
            "exim-4.92-RC3",
            "exim-4.92-RC2",
            "exim-4.92-RC1",
            "exim-4_91",
            "exim-4_91_RC4",
            "exim-4_91_RC3",
            "exim-4_91_RC2",
            "exim-4_91_RC1",
            "exim-4_90_RC4",
            "exim-4_90",
            "exim-4_90_RC3",
            "exim-4_90_RC2",
            "exim-4_90_RC1",
            "exim-4.90devstart",
            "exim-4_89_RC3",
            "exim-4_89_RC1",
            "exim-4_88",
            "exim-4_87",
            "exim-4_88_RC6",
            "exim-4_88_RC5",
            "exim-4_88_RC4",
            "exim-4_88_RC3",
            "exim-4_88_RC2",
            "exim-4_88_RC1",
            "exim-4_87_RC7",
            "exim-4_87_RC6",
            "exim-4_87_RC5",
            "exim-4_87_RC4",
            "exim-4_86",
            "exim-4_85",
            "exim-4_87_RC3",
            "exim-4_87_RC2",
            "exim-4_87_RC1",
            "exim-4_86_RC5",
            "exim-4_86_RC4",
            "exim-4_86_RC3",
            "exim-4_86_RC2",
            "exim-4_86_RC1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-13917.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:22.998026406Z",
      "provider": "osv",
      "references": [
        "https://seclists.org/bugtraq/2019/Jul/51",
        "https://security.gentoo.org/glsa/201909-06",
        "https://www.debian.org/security/2019/dsa-4488"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  },
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-13917",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430817,
  "published_at": "2019-07-25T20:15:11.81+00:00"
}