Security advisory

{
  "id": "79a183abc99c41a8685d79befd3613cd42bf948bb622f13eb7e803ef31396614",
  "url": "https://osv.dev/vulnerability/CVE-2021-3407",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-3407",
    "summary": "A flaw was found in mupdf 1.18.0. Double free of object during linearization may lead to memory corruption and other potential consequences.",
    "evidence": "osv:CVE-2021-3407",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-3407",
      "aliases": [
        "CVE-2021-3407"
      ],
      "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/artifexsoftware/mupdf",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ea5799e01730c4aa15cddd1023700e4f7b78cc27"
                },
                {
                  "last_affected": "ea5799e01730c4aa15cddd1023700e4f7b78cc27"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:artifex:mupdf:1.18.0:-:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.18.0-NA"
                      },
                      {
                        "last_affected": "1.18.0-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.18.0-NA",
            "1.18.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3407.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:19.936572321Z",
      "provider": "osv",
      "references": [
        "https://bugs.ghostscript.com/show_bug.cgi?id=703366",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCADE3VSPWCGTE5BV4KL273R5VK3GDKM/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M44PNYCBL33OD7GC75XNE6CDS4VSGVWO/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLC6MPH7YS6JPU427XOFRLF3KKZQUZJN/",
        "https://lists.debian.org/debian-lts-announce/2021/03/msg00012.html",
        "https://security.gentoo.org/glsa/202105-30"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  },
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  },
                  {
                    "introduced": "34"
                  },
                  {
                    "last_affected": "34"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-3407",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430146,
  "published_at": "2021-02-23T23:15:14.1+00:00"
}