GHSA-w54j-7wpm-crhj: Magick.NET Q16 AnyCPU ImageMagick Has A Heap-buffer-overflow Vulnerability

{
  "schema_version" : "1.4.0",
  "id" : "GHSA-w54j-7wpm-crhj",
  "modified" : "2026-04-16T15:48:06Z",
  "published" : "2026-04-14T23:31:31Z",
  "aliases" : [ ],
  "summary" : "ImageMagick has a heap-buffer-overflow in FTXT encoder",
  "details" : "The FTXT encoder lacks a boundary check when parsing `ftxt:format`, resulting in an out of bounds read.\n\n```\n==3040863==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x5020000085b2 at pc 0x606c1ee0c6ce bp 0x7ffee30d6150 sp 0x7ffee30d6148\nREAD of size 1 at 0x5020000085b2 thread T0\n```",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Magick.NET-Q16-AnyCPU"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
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        "introduced" : "0"
      }, {
        "fixed" : "14.12.0"
      } ]
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  }, {
    "package" : {
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      "name" : "Magick.NET-Q16-HDRI-AnyCPU"
    },
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  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Magick.NET-Q16-HDRI-OpenMP-arm64"
    },
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  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-w54j-7wpm-crhj"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/ImageMagick/ImageMagick"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-125" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-04-14T23:31:31Z",
    "nvd_published_at" : null
  }
}