{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.96"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "d7ba31cab8ce8d95d2c10e88d2ec787ac52005ef"
            },
            {
              "fixed": "e2f60adc95334f47e286838dac33160819c5d74d"
            }
          ],
          "repo": "https://github.com/upx/upx",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "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.",
  "id": "CVE-2020-27787",
  "modified": "2026-03-13T21:51:51.780800153Z",
  "published": "2022-08-18T19:15:14.210Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/upx/upx/commit/e2f60adc95334f47e286838dac33160819c5d74d"
    },
    {
      "type": "FIX",
      "url": "https://github.com/upx/upx/issues/333"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}