GHSA-26QP-FFJH-2X4V

Vulnerability from github – Published: 2026-04-13 19:10 – Updated: 2026-04-24 20:47
VLAI
Summary
ImageMagick has an integer overflow in despeckle operation causing a heap buffer overflow on 32-bit builds
Details

An integer overflow in the despeckle operation causes a heap buffer overflow on 32-bit builds that will result in an out of bounds write.

==1551685==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xea2fb818 at pc 0x56cbc42a bp 0xffc4ce48 sp 0xffc4ce38
WRITE of size 8 at 0xea2fb818 thread T0
Severity
5.1 (Medium)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q16-AnyCPU"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.12.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q16-HDRI-AnyCPU"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.12.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q16-HDRI-x86"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.12.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q16-x86"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.12.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q8-AnyCPU"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.12.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q8-x86"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.12.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-34238"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190",
      "CWE-787"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-13T19:10:03Z",
    "nvd_published_at": "2026-04-13T22:16:29Z",
    "severity": "MODERATE"
  },
  "details": "An integer overflow in the despeckle operation causes a heap buffer overflow on 32-bit builds that will result in an out of bounds write.\n\n```\n==1551685==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xea2fb818 at pc 0x56cbc42a bp 0xffc4ce48 sp 0xffc4ce38\nWRITE of size 8 at 0xea2fb818 thread T0\n```",
  "id": "GHSA-26qp-ffjh-2x4v",
  "modified": "2026-04-24T20:47:58Z",
  "published": "2026-04-13T19:10:03Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-26qp-ffjh-2x4v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34238"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ImageMagick/ImageMagick/commit/bcd8519c70ecd9ebbc180920f2cf97b267d1f440"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ImageMagick/ImageMagick"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19"
    },
    {
      "type": "WEB",
      "url": "https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ImageMagick has an integer overflow in despeckle operation causing a heap buffer overflow on 32-bit builds"
}



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