{
  "schema_version": "1.3.1",
  "id": "GO-2020-0016",
  "modified": "0001-01-01T00:00:00Z",
  "published": "2021-04-14T20:04:52Z",
  "aliases": [
    "CVE-2021-29482",
    "GHSA-25xm-hr59-7c27"
  ],
  "summary": "Infinite loop in github.com/ulikunitz/xz",
  "details": "An attacker can construct a series of bytes such that calling Reader.Read on the bytes could cause an infinite loop. If parsing user supplied input, this may be used as a denial of service vector.",
  "affected": [
    {
      "package": {
        "name": "github.com/ulikunitz/xz",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.8"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/ulikunitz/xz",
            "symbols": [
              "Reader.Read",
              "blockHeader.UnmarshalBinary",
              "readUvarint",
              "streamReader.Read"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ulikunitz/xz/issues/35"
    }
  ],
  "credits": [
    {
      "name": "@0xdecaf"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2020-0016",
    "review_status": "REVIEWED"
  }
}