Security advisory

{
  "id": "f1469f1c436285270562648f3d3f3937a603e32544f01851f1f4968b7877279c",
  "url": "https://osv.dev/vulnerability/CVE-2018-20845",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20845",
    "summary": "Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).",
    "evidence": "osv:CVE-2018-20845",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-20845",
      "aliases": [
        "CVE-2018-20845"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/uclouvain/openjpeg",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "081de4b15f54cb4482035b7bf5e3fb443e4bc84b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.3.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.3.0",
            "v2.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20845.json"
          }
        }
      ],
      "modified": "2026-10-20T10:48:03.817479024Z",
      "provider": "osv",
      "references": [
        "https://github.com/uclouvain/openjpeg/pull/1168/commits/c5bd64ea146162967c29bd2af0cbb845ba3eaaaf"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-20845",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379994,
  "published_at": "2019-06-26T18:15:09.963+00:00"
}