Security advisory

{
  "id": "08309c3f86e7588d7fa824944f74b86f764f2d2b53fdc2d4872ca5fe90a61637",
  "url": "https://osv.dev/vulnerability/CVE-2016-7521",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-7521",
    "summary": "Heap-based buffer overflow in coders/psd.c in ImageMagick allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PSD file.",
    "evidence": "osv:CVE-2016-7521",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2016-7521",
      "aliases": [
        "CVE-2016-7521"
      ],
      "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/imagemagick/imagemagick",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "30eec879c8b446b0ea9a3bb0da1a441cc8482bc4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "30eec879c8b446b0ea9a3bb0da1a441cc8482bc4"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-7521.json",
            "vanir_signatures": [
              {
                "id": "CVE-2016-7521-0cd3ef7a",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                },
                "source": "https://github.com/imagemagick/imagemagick/commit/30eec879c8b446b0ea9a3bb0da1a441cc8482bc4",
                "target": {
                  "file": "coders/psd.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2016-7521-ec1a2ae1",
                "digest": {
                  "length": 2538,
                  "function_hash": "97281487287534598895735610321528777022"
                },
                "source": "https://github.com/imagemagick/imagemagick/commit/30eec879c8b446b0ea9a3bb0da1a441cc8482bc4",
                "target": {
                  "file": "coders/psd.c",
                  "function": "DecodePSDPixels"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-24T14:09:10Z"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/imagemagick/imagemagick6",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4bae9bed8a79e031884ca9a4681dce89dbd26855"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "6.9.4-0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-7521.json"
          }
        }
      ],
      "modified": "2026-10-24T14:09:10.164880539Z",
      "provider": "osv",
      "references": [
        "https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1537418",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1378748",
        "https://github.com/ImageMagick/ImageMagick/commit/30eec879c8b446b0ea9a3bb0da1a441cc8482bc4",
        "https://github.com/ImageMagick/ImageMagick/issues/92"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "imagemagick:imagemagick",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "6.9.4-0"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2016-7521",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 443173,
  "published_at": "2017-04-20T18:59:01.093+00:00"
}