GHSA-MQFC-82JX-3MR2

Vulnerability from github – Published: 2026-03-12 14:02 – Updated: 2026-03-12 14:02
VLAI?
Summary
ImageMagick has heap buffer overflow in YUV 4:2:2 decoder
Details

A heap buffer overflow write vulnerability exists in ReadYUVImage() (coders/yuv.c) when processing malicious YUV 4:2:2 (NoInterlace) images. The pixel-pair loop writes one pixel beyond the allocated row buffer.

=================================================================
==204642==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x5170000002e0 at pc 0x562d21a7e8de bp 0x7fffa9ae1270 sp 0x7fffa9ae1260
WRITE of size 8 at 0x5170000002e0 thread T0
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Show details on source website
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  "aliases": [
    "CVE-2026-25986"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-12T14:02:35Z",
    "nvd_published_at": "2026-02-24T02:16:02Z",
    "severity": "MODERATE"
  },
  "details": "A heap buffer overflow write vulnerability exists in ReadYUVImage() (coders/yuv.c) when processing malicious YUV 4:2:2 (NoInterlace) images. The pixel-pair loop writes one pixel beyond the allocated row buffer.\n\n```\n=================================================================\n==204642==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x5170000002e0 at pc 0x562d21a7e8de bp 0x7fffa9ae1270 sp 0x7fffa9ae1260\nWRITE of size 8 at 0x5170000002e0 thread T0\n```",
  "id": "GHSA-mqfc-82jx-3mr2",
  "modified": "2026-03-12T14:02:35Z",
  "published": "2026-03-12T14:02:35Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-mqfc-82jx-3mr2"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25986"
    },
    {
      "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 heap buffer overflow in YUV 4:2:2 decoder"
}


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