Security advisory

{
  "id": "df3aa939c0782ea18484ff1b33ff72920faa58711d2248b7f8a0d21a9428eaaa",
  "url": "https://osv.dev/vulnerability/CVE-2019-5464",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-5464",
    "summary": "A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.",
    "evidence": "osv:CVE-2019-5464",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2019-5464",
      "aliases": [
        "CVE-2019-5464"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/gitlab-org/gitlab",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d90716aff22310b27734df86d287d2cb4084fdbb"
                },
                {
                  "fixed": "c7143c6ecb8a02dcd57855db824b7a470408f15a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "10.2.0"
                      },
                      {
                        "fixed": "11.11.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "10.2.0"
                      },
                      {
                        "fixed": "11.11.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5464.json"
          }
        }
      ],
      "modified": "2026-10-30T10:30:36.147927024Z",
      "provider": "osv",
      "references": [
        "https://hackerone.com/reports/632101",
        "https://about.gitlab.com/releases/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/",
        "https://gitlab.com/gitlab-org/gitlab-ce/issues/63959"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-5464",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438094,
  "published_at": "2020-01-28T03:15:10.903+00:00"
}