FreeImage before 3.19.22 Heap Buffer Overflow via IFF/LBM PBM RLE Decoder

{
  "id": "c1deb1d1ffc843a792973ece65bb70aa07f22e8384f41059afd47b8140129238",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-118752",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "FreeImage before 3.19.22 Heap Buffer Overflow via IFF/LBM PBM RLE Decoder",
    "summary": "FreeImage (danoli3 fork) before 3.19.22 contains a heap buffer overflow vulnerability in the PBM RLE decoder of PluginIFF.cpp that lacks bounds checks on ByteRun1 runs. Attackers can supply a crafted IFF/LBM PBM file with runs straddling scanline ends to write up to 127 controlled bytes past the heap-allocated bitmap.",
    "evidence": "cve:CVE-2026-118752",
    "products": [
      {
        "name": {
          "value": "FreeImage",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "FreeImage",
          "evidence": "/containers/cna/affected/1/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-118752",
      "aliases": [
        "CVE-2026-118752"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 8.5,
            "attackVector": "LOCAL",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "userInteraction": "PASSIVE",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "privilegesRequired": "NONE",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH"
          }
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 7.8,
            "attackVector": "LOCAL",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "integrityImpact": "HIGH",
            "userInteraction": "REQUIRED",
            "attackComplexity": "LOW",
            "availabilityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "confidentialityImpact": "HIGH"
          }
        }
      ],
      "affected": [
        {
          "repo": "https://github.com/danoli3/FreeImage",
          "vendor": "danoli3",
          "product": "FreeImage",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "3.19.22",
              "versionType": "semver"
            }
          ],
          "packageURL": "pkg:github/danoli3/FreeImage",
          "collectionURL": "https://github.com",
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "FreeImage",
          "product": "FreeImage",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "3.18.0"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T21:11:21.485Z",
      "provider": "cve",
      "references": [
        "https://github.com/danoli3/FreeImage/issues/156",
        "https://github.com/danoli3/FreeImage",
        "https://github.com/danoli3/FreeImage/blob/3.19.21/Source/FreeImage/PluginIFF.cpp#L296-L324",
        "https://github.com/danoli3/FreeImage/pull/161",
        "https://github.com/danoli3/FreeImage/commit/e1105d3b464b679f0525c6178d9ccf49d55cf712",
        "https://github.com/danoli3/FreeImage/commit/cf173c16354274dc8fb739dc395fc7f32efe7d45",
        "https://github.com/danoli3/FreeImage/releases/tag/3.19.22",
        "https://www.vulncheck.com/advisories/freeimage-before-3.19.22-heap-buffer-overflow-via-iff-lbm-pbm-rle-decoder"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
          "shortName": "VulnCheck",
          "dateUpdated": "2026-10-28T21:11:21.485Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-118752",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 491719,
  "published_at": "2026-10-28T21:11:21.485+00:00"
}