CVE-2026-25798: Magick.NET Q16 AnyCPU ImageMagick Has NULL Pointer Dereference Vulnerability

{
  "schema_version" : "1.4.0",
  "id" : "GHSA-p863-5fgm-rgq4",
  "modified" : "2026-02-24T15:36:08Z",
  "published" : "2026-02-24T15:36:08Z",
  "aliases" : [ "CVE-2026-25798" ],
  "summary" : "ImageMagick has NULL Pointer Dereference in ClonePixelCacheRepository via crafted image",
  "details" : "A NULL pointer dereference in ClonePixelCacheRepository allows a remote attacker to crash any application linked against ImageMagick by supplying a crafted image file, resulting in Denial of Service.\n\n```\nAddressSanitizer:DEADLYSIGNAL\n=================================================================\n==3704942==ERROR: AddressSanitizer: UNKNOWN SIGNAL on unknown address 0x000000000000 (pc 0x7f9d141239e0 bp 0x7ffd4c5711e0 sp 0x7ffd4c571148 T0)\n    #0 0x7f9d141239e0  (/lib/x86_64-linux-gnu/libc.so.6+0xc49e0)\n    #1 0x558a25e4f08d in ClonePixelCacheRepository._omp_fn.0 MagickCore/cache.c:784\n    #2 0x7f9d14c06a15 in GOMP_parallel (/lib/x86_64-linux-gnu/libgomp.so.1+0x14a15)\n    #3 0x558a25e43151 in ClonePixelCacheRepository MagickCore/cache.c:753\n    #4 0x558a25e49a96 in OpenPixelCache MagickCore/cache.c:3849\n    #5 0x558a25e45117 in GetImagePixelCache MagickCore/cache.c:1829\n    #6 0x558a25e4dde3 in SyncImagePixelCache MagickCore/cache.c:5647\n    #7 0x558a256ba57d in SetImageExtent MagickCore/image.c:2713\n```",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Magick.NET-Q16-AnyCPU"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "14.10.3"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Magick.NET-Q16-HDRI-AnyCPU"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "14.10.3"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Magick.NET-Q16-HDRI-OpenMP-arm64"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "14.10.3"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Magick.NET-Q16-HDRI-OpenMP-x64"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "14.10.3"
      } ]
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  }, {
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      "ecosystem" : "NuGet",
      "name" : "Magick.NET-Q16-HDRI-arm64"
    },
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  }, {
    "package" : {
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      "name" : "Magick.NET-Q16-HDRI-x64"
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      "name" : "Magick.NET-Q16-HDRI-x86"
    },
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  }, {
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      "ecosystem" : "NuGet",
      "name" : "Magick.NET-Q8-AnyCPU"
    },
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  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-p863-5fgm-rgq4"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-25798"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ImageMagick/ImageMagick/issues/8567"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ImageMagick/ImageMagick/commit/e046417675d5c26e5f48816851a406c121c77469"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/ImageMagick/ImageMagick"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-476" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-02-24T15:36:08Z",
    "nvd_published_at" : "2026-02-24T01:16:14Z"
  }
}