ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Stack Buffer Overflow via bzip2 Compressed Images

{
  "id": "c231669bccde8475adda3372ad81f552d82969f9651a81690999a69349684cde",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-116149",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Stack Buffer Overflow via bzip2 Compressed Images",
    "summary": "ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 contains a stack-based buffer overflow in the handling of bzip2 compressed images. Attackers can supply a crafted image using bzip2 compression to overwrite stack memory during decoding, causing crashes or memory corruption.",
    "evidence": "cve:CVE-2026-116149",
    "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": "high",
    "structured": {
      "id": "CVE-2026-116149",
      "aliases": [
        "CVE-2026-116149"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 7.2,
            "attackVector": "NETWORK",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "privilegesRequired": "LOW",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE"
          }
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 8.1,
            "attackVector": "NETWORK",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
            "integrityImpact": "HIGH",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "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"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ImageMagick",
          "product": "ImageMagick",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "6.9.13-58",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "6.9.13-58",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-25T13:19:58.386Z",
      "provider": "cve",
      "references": [
        "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pwpf-8799-94cj",
        "https://www.vulncheck.com/advisories/imagemagick-before-6.9.13-58-and-7-x-before-7.1.2-33-stack-buffer-overflow-via-bzip2-compressed-images"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
          "shortName": "VulnCheck",
          "dateUpdated": "2026-10-25T13:19:58.386Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-116149",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 146776,
  "published_at": "2026-10-25T13:19:58.386+00:00"
}