Security advisory

{
  "id": "9ebc1f4575726b5fdd51f52fa7531d3d220695b5505a5279e643fdefd9ca7e90",
  "url": "https://osv.dev/vulnerability/CVE-2021-31799",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-31799",
    "summary": "In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 3.0.1, it is possible to execute arbitrary code via | and tags in a filename.",
    "evidence": "osv:CVE-2021-31799",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-31799",
      "aliases": [
        "CVE-2021-31799",
        "GHSA-ggxm-pgc9-g7fp"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ruby/rdoc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "25786dd7791e3bc8c130066d3f0680a3e2d28c32"
                },
                {
                  "fixed": "9307f932b7f5f97a27706cc04e4c2de72d9baf72"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ruby-lang:rdoc:*:*:*:*:*:ruby:*:*",
                    "range": [
                      {
                        "introduced": "3.11"
                      },
                      {
                        "fixed": "6.3.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v6.3.0",
            "v6.2.1",
            "v6.1.1",
            "v6.0.1",
            "v5.0.0",
            "v6.2.0",
            "v6.1.0",
            "v6.1.0.beta3",
            "v6.1.0.beta2",
            "v6.1.0.beta1",
            "v6.0.4",
            "v6.0.3",
            "v6.0.2",
            "v6.0.0",
            "v6.0.0.beta4",
            "v6.0.0.beta3",
            "v6.0.0.beta2",
            "v6.0.0.beta1",
            "v5.1.0",
            "v4.2.2",
            "v5.0.0.beta2",
            "v5.0.0.beta1",
            "v4.2.1",
            "v4.2.0",
            "v4.1.1",
            "v4.1.0",
            "v4.1.0.preview.3",
            "v4.1.0.preview.1",
            "v4.0.1",
            "v4.0.0",
            "v4.0.0.rc.2.1",
            "v4.0.0.rc.2",
            "v3.12",
            "v4.0.0.preview2.1",
            "v4.0.0.preview2",
            "v3.11"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31799.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:29.277126119Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html",
        "https://security-tracker.debian.org/tracker/CVE-2021-31799",
        "https://security.gentoo.org/glsa/202401-05",
        "https://security.netapp.com/advisory/ntap-20210902-0004/",
        "https://www.oracle.com/security-alerts/cpuapr2022.html",
        "https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "oracle:jd_edwards_enterpriseone_tools",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "9.2.6.1"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  },
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-31799",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432284,
  "published_at": "2021-07-30T14:15:16.62+00:00"
}