Security advisory

{
  "id": "a1e2f6be3b5c1a33a577745d87e03ffb1b6199cc7ce1a7a6a1e1909b49ba2931",
  "url": "https://osv.dev/vulnerability/CVE-2018-17975",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-17975",
    "summary": "An issue was discovered in GitLab Community Edition 11.x before 11.1.8, 11.2.x before 11.2.5, and 11.3.x before 11.3.2. There is Information Exposure via the GFM markdown API.",
    "evidence": "osv:CVE-2018-17975",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-17975",
      "aliases": [
        "CVE-2018-17975"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/gitlab-org/gitlab",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c6f72ac9a88521257991aa9a0cc6d558126f5bb9"
                },
                {
                  "fixed": "c55d90a5158a2007930216ddfd78ecc3ae7319d0"
                },
                {
                  "introduced": "44dbeccbe1039cb1d42d8502655ffb0bce3ae803"
                },
                {
                  "fixed": "da87da289d0a874afcd36c29c6652f931f9288ad"
                },
                {
                  "introduced": "1bbe39452664021af90851aef8527ce5e850343e"
                },
                {
                  "fixed": "2a103167c986bf540595f990b82e8b37127b7146"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "11.0.0"
                      },
                      {
                        "fixed": "11.1.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "11.2.0"
                      },
                      {
                        "fixed": "11.2.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "11.3.0"
                      },
                      {
                        "fixed": "11.3.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17975.json"
          }
        }
      ],
      "modified": "2026-10-30T10:30:47.154216925Z",
      "provider": "osv",
      "references": [
        "https://about.gitlab.com/2018/10/05/critical-security-release-11-3-4/",
        "https://gitlab.com/gitlab-org/gitlab-ce/issues/50744"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-17975",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430567,
  "published_at": "2018-12-04T23:29:00.303+00:00"
}