Security advisory

{
  "id": "1d833a3485b499c02ecefe2603af2627b3a8dbafb143a208df91b52d5d3933c4",
  "url": "https://osv.dev/vulnerability/CVE-2019-6988",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-6988",
    "summary": "An issue was discovered in OpenJPEG 2.3.0. It allows remote attackers to cause a denial of service (attempted excessive memory allocation) in opj_calloc in openjp2/opj_malloc.c, when called from opj_tcd_init_tile in openjp2/tcd.c, as demonstrated by the 64-bit opj_decompress.",
    "evidence": "osv:CVE-2019-6988",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-6988",
      "aliases": [
        "CVE-2019-6988"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/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": "081de4b15f54cb4482035b7bf5e3fb443e4bc84b"
                },
                {
                  "last_affected": "081de4b15f54cb4482035b7bf5e3fb443e4bc84b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:uclouvain:openjpeg:2.3.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.3.0"
                      },
                      {
                        "last_affected": "2.3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.3.0",
            "v2.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6988.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:41.446113869Z",
      "provider": "osv",
      "references": [
        "https://github.com/uclouvain/openjpeg/issues/1178"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-6988",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382765,
  "published_at": "2019-01-28T16:29:00.213+00:00"
}