Security advisory

{
  "id": "0d56202a6eb3b88467ace05b6c76af83bf294cc4816da14ca61b22ab6137ec98",
  "url": "https://osv.dev/vulnerability/CVE-2021-3272",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-3272",
    "summary": "jp2_decode in jp2/jp2_dec.c in libjasper in JasPer 2.0.24 has a heap-based buffer over-read when there is an invalid relationship between the number of channels and the number of image components.",
    "evidence": "osv:CVE-2021-3272",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-3272",
      "aliases": [
        "CVE-2021-3272"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jasper-software/jasper",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9a2835a81ce9c41a48f36dadce79f110da8d6c75"
                },
                {
                  "last_affected": "9a2835a81ce9c41a48f36dadce79f110da8d6c75"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jasper_project:jasper:2.0.24:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.0.24"
                      },
                      {
                        "last_affected": "2.0.24"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.0.24",
            "version-2.0.24"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3272.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:42.549009304Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BZFU2F6UW4L2FJE65WJLWGUIELDWCL7/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HD2Y2LT4N5ZWCMKYCUIKB3XODNJLOW3J/",
        "https://github.com/jasper-software/jasper/issues/259"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  },
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-3272",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385949,
  "published_at": "2021-01-27T08:15:10.483+00:00"
}