ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Memory Leak in MSL Decoder

{
  "id": "2328acdc9de1428ff8fd93686160498bd5c6d067e96634cd95409c942f9ee3e0",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-116146",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Memory Leak in MSL Decoder",
    "summary": "ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 contains a memory leak in the MSL decoder that fails to release allocated memory when processing a crafted MSL image. Attackers can supply crafted MSL files for processing to repeatedly leak memory, causing resource exhaustion and denial of service.",
    "evidence": "cve:CVE-2026-116146",
    "products": [
      {
        "name": {
          "value": "ImageMagick",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "ImageMagick",
          "evidence": "/containers/cna/affected/1/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-116146",
      "aliases": [
        "CVE-2026-116146"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 6.3,
            "attackVector": "NETWORK",
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "userInteraction": "NONE",
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "privilegesRequired": "NONE",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE"
          }
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 3.7,
            "attackVector": "NETWORK",
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "integrityImpact": "NONE",
            "userInteraction": "NONE",
            "attackComplexity": "HIGH",
            "availabilityImpact": "LOW",
            "privilegesRequired": "NONE",
            "confidentialityImpact": "NONE"
          }
        }
      ],
      "affected": [
        {
          "vendor": "ImageMagick",
          "product": "ImageMagick",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.0-0",
              "lessThan": "7.1.2-33",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "7.1.2-33",
              "versionType": "custom"
            }
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          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ImageMagick",
          "product": "ImageMagick",
          "versions": [
            {
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              "version": "0",
              "lessThan": "6.9.13-58",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "6.9.13-58",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-26T19:58:39.647Z",
      "provider": "cve",
      "references": [
        "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-j657-rmv3-4m94",
        "https://www.vulncheck.com/advisories/imagemagick-before-6.9.13-58-and-7-x-before-7.1.2-33-memory-leak-in-msl-decoder"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-116146",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-26T19:41:56.204542Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "dateUpdated": "2026-10-25T13:19:56.440Z"
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    "related_cves": [
      {
        "value": "CVE-2026-116146",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 338302,
  "published_at": "2026-10-25T13:19:56.44+00:00"
}