GHSA-42P5-62QQ-MMH7

Vulnerability from github – Published: 2026-02-24 15:44 – Updated: 2026-02-24 15:44
VLAI?
Summary
ImageMagick has a heap buffer over-read in its MAP image decoder
Details

A heap buffer over-read vulnerability exists in the MAP image decoder when processing crafted MAP files, potentially leading to crashes or unintended memory disclosure during image decoding.

=================================================================
==4070926==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x502000002b31 at pc 0x56517afbd910 bp 0x7ffc59e90000 sp 0x7ffc59e8fff0
READ of size 1 at 0x502000002b31 thread T0
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Show details on source website
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  "aliases": [
    "CVE-2026-25987"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-24T15:44:47Z",
    "nvd_published_at": "2026-02-24T02:16:02Z",
    "severity": "MODERATE"
  },
  "details": "A heap buffer over-read vulnerability exists in the MAP image decoder when processing crafted MAP files, potentially leading to crashes or unintended memory disclosure during image decoding.\n\n```\n=================================================================\n==4070926==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x502000002b31 at pc 0x56517afbd910 bp 0x7ffc59e90000 sp 0x7ffc59e8fff0\nREAD of size 1 at 0x502000002b31 thread T0\n```",
  "id": "GHSA-42p5-62qq-mmh7",
  "modified": "2026-02-24T15:44:47Z",
  "published": "2026-02-24T15:44:47Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-42p5-62qq-mmh7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25987"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ImageMagick/ImageMagick/commit/bbae0215e1b76830509fd20e6d37c0dd7e3e4c3a"
    },
    {
      "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:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ImageMagick has a heap buffer over-read in its MAP image decoder"
}


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