{
  "cveId": "CVE-2020-27787",
  "url": "https://patchblox.com/security/cve/CVE-2020-27787",
  "summary": "CVE-2020-27787 is fixed in upx-ucl on 1 platform, first by DEBIAN-CVE-2020-27787, released August 18, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "upx-ucl: A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp",
  "description": "A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.",
  "published": "2022-08-18T19:15:14Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
  "epss": 0.00413,
  "epssPercentile": 0.35898,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "upx-ucl",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.96-1",
      "fix": "DEBIAN-CVE-2020-27787",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2020-27787",
      "released": "2022-08-18T19:15:14Z"
    },
    {
      "platform": "linux",
      "product": "upx-ucl",
      "release": "Debian 14",
      "fixedVersion": "3.96-1",
      "fix": "DEBIAN-CVE-2020-27787",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2020-27787",
      "released": "2022-08-18T19:15:14Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}