GHSA-P863-5FGM-RGQ4

Vulnerability from github – Published: 2026-02-24 15:36 – Updated: 2026-02-24 15:36
VLAI
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.

AddressSanitizer:DEADLYSIGNAL
=================================================================
==3704942==ERROR: AddressSanitizer: UNKNOWN SIGNAL on unknown address 0x000000000000 (pc 0x7f9d141239e0 bp 0x7ffd4c5711e0 sp 0x7ffd4c571148 T0)
    #0 0x7f9d141239e0  (/lib/x86_64-linux-gnu/libc.so.6+0xc49e0)
    #1 0x558a25e4f08d in ClonePixelCacheRepository._omp_fn.0 MagickCore/cache.c:784
    #2 0x7f9d14c06a15 in GOMP_parallel (/lib/x86_64-linux-gnu/libgomp.so.1+0x14a15)
    #3 0x558a25e43151 in ClonePixelCacheRepository MagickCore/cache.c:753
    #4 0x558a25e49a96 in OpenPixelCache MagickCore/cache.c:3849
    #5 0x558a25e45117 in GetImagePixelCache MagickCore/cache.c:1829
    #6 0x558a25e4dde3 in SyncImagePixelCache MagickCore/cache.c:5647
    #7 0x558a256ba57d in SetImageExtent MagickCore/image.c:2713
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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        "name": "Magick.NET-Q16-AnyCPU"
      },
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      "package": {
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        "name": "Magick.NET-Q8-AnyCPU"
      },
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        "ecosystem": "NuGet",
        "name": "Magick.NET-Q8-OpenMP-x64"
      },
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        {
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            {
              "introduced": "0"
            },
            {
              "fixed": "14.10.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q8-arm64"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.10.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q8-x86"
      },
      "ranges": [
        {
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            {
              "introduced": "0"
            },
            {
              "fixed": "14.10.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
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  ],
  "aliases": [
    "CVE-2026-25798"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-24T15:36:08Z",
    "nvd_published_at": "2026-02-24T01:16:14Z",
    "severity": "MODERATE"
  },
  "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```",
  "id": "GHSA-p863-5fgm-rgq4",
  "modified": "2026-02-24T15:36:08Z",
  "published": "2026-02-24T15:36:08Z",
  "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ImageMagick has NULL Pointer Dereference in ClonePixelCacheRepository via crafted image"
}



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