Security advisory

{
  "id": "542bc4f9106f2b9b97a8a289606ad1b9c95b776669dece2d433b48c4acf19e7a",
  "url": "https://osv.dev/vulnerability/CVE-2019-19775",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-19775",
    "summary": "The image thumbnailing handler in Zulip Server versions 1.9.0 to before 2.0.8 allowed an open redirect that was visible to logged-in users.",
    "evidence": "osv:CVE-2019-19775",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-19775",
      "aliases": [
        "CVE-2019-19775"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/zulip/zulip",
              "type": "GIT",
              "events": [
                {
                  "introduced": "06d39f87b78944ca841f64f0722b77d799e1b361"
                },
                {
                  "fixed": "726ab9c4faa71018f493ad477f155a26ea63760a"
                },
                {
                  "fixed": "b7c87a4d82397a5e6ac169b6098bed0b1ae7a583"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.9.0"
                      },
                      {
                        "fixed": "2.0.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b7c87a4d82397a5e6ac169b6098bed0b1ae7a583"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.0.7",
            "2.0.6",
            "2.0.5",
            "2.0.4",
            "2.0.3",
            "2.0.2",
            "2.0.1",
            "2.0.0",
            "2.0.0-rc1",
            "1.9.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19775.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:32.545954530Z",
      "provider": "osv",
      "references": [
        "https://blog.zulip.org/2019/12/13/zulip-server-2-0-8-security-release/",
        "https://github.com/zulip/zulip/commit/b7c87a4d82397a5e6ac169b6098bed0b1ae7a583"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-19775",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383682,
  "published_at": "2019-12-18T04:15:15.383+00:00"
}