ImageMagick before 7.1.2-33 Memory Leak in MAT Decoder Error Path

{
  "id": "7fce323bb375ec4ac713a7749384c99ec699ec46854d6cb55ec3a246a568dbc6",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-116152",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ImageMagick before 7.1.2-33 Memory Leak in MAT Decoder Error Path",
    "summary": "ImageMagick before 7.1.2-33 contains a memory leak vulnerability in the MAT decoder that fails to release allocated memory in a specific error path. Attackers can supply crafted MAT files that trigger this error path repeatedly, causing small memory leaks that gradually consume process memory.",
    "evidence": "cve:CVE-2026-116152",
    "products": [
      {
        "name": {
          "value": "ImageMagick",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-116152",
      "aliases": [
        "CVE-2026-116152"
      ],
      "metrics": [
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          "format": "CVSS",
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 6.9,
            "attackVector": "NETWORK",
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "privilegesRequired": "NONE",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE"
          }
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 5.3,
            "attackVector": "NETWORK",
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "integrityImpact": "NONE",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "LOW",
            "privilegesRequired": "NONE",
            "confidentialityImpact": "NONE"
          }
        }
      ],
      "affected": [
        {
          "vendor": "ImageMagick",
          "product": "ImageMagick",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "7.1.2-33",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "7.1.2-33",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-25T13:20:00.370Z",
      "provider": "cve",
      "references": [
        "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-83w9-w85j-h9jc",
        "https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-33-memory-leak-in-mat-decoder-error-path"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
          "shortName": "VulnCheck",
          "dateUpdated": "2026-10-25T13:20:00.370Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-116152",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 146777,
  "published_at": "2026-10-25T13:20:00.37+00:00"
}