{
  "schema_version": "1.4.0",
  "id": "GHSA-gh3f-f9wp-hrhm",
  "modified": "2024-09-12T18:31:38Z",
  "published": "2022-05-13T01:25:08Z",
  "aliases": [
    "CVE-2018-16648"
  ],
  "details": "In Artifex MuPDF 1.13.0, the fz_append_byte function in fitz/buffer.c allows remote attackers to cause a denial of service (segmentation fault) via a crafted pdf file. This is caused by a pdf/pdf-device.c pdf_dev_alpha array-index underflow.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16648"
    },
    {
      "type": "WEB",
      "url": "https://bugs.ghostscript.com/show_bug.cgi?id=699685"
    },
    {
      "type": "WEB",
      "url": "https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=38f883fe129a5e89306252a4676eaaf4bc968824"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-129"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-09-06T23:29:00Z"
  }
}