{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "7.0.0-0"
              },
              {
                "fixed": "7.1.2-32"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "ad98b244c995d2e3051757fa3b7855f45b550d24"
            }
          ],
          "repo": "https://github.com/imagemagick/imagemagick",
          "type": "GIT"
        },
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "6.9.13-57"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5e22284eaf96976b6d3c7c7f45231a813e4cd774"
            },
            {
              "fixed": "9ddc71abea5cbe7d18164fa0f0077a105cab514f"
            }
          ],
          "repo": "https://github.com/imagemagick/imagemagick6",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-8x3v-wr32-qqh4"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-362"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109279.json"
  },
  "details": "ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 lacks proper synchronization when the security policy is accessed, so simultaneous reads and writes of the policy by multiple threads trigger a race condition that causes a heap buffer over-write. An attacker able to induce concurrent security policy access can crash the application, causing a denial of service.",
  "id": "CVE-2026-109279",
  "modified": "2026-10-14T02:30:24.022882091Z",
  "published": "2026-10-12T16:04:43.444Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109279.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-8x3v-wr32-qqh4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-109279"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/imagemagick-before-6.9.13-57-and-7-x-before-7.1.2-32-heap-buffer-overflow-via-concurrent-security-policy-access"
    },
    {
      "type": "FIX",
      "url": "https://github.com/ImageMagick/ImageMagick/commit/12db6f04e895deae4537ead10c771a244607794a"
    },
    {
      "type": "FIX",
      "url": "https://github.com/ImageMagick/ImageMagick6/commit/9ddc71abea5cbe7d18164fa0f0077a105cab514f"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Heap Buffer Overflow via Concurrent Security Policy Access"
}