Security advisory

{
  "id": "84eaacb0eddec6c4094015a27a2690ee2597c3056503c3ea38458818b6e69da6",
  "url": "https://osv.dev/vulnerability/CVE-2020-29651",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-29651",
    "summary": "A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame functionality.",
    "evidence": "osv:CVE-2020-29651",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-29651",
      "aliases": [
        "CVE-2020-29651",
        "GHSA-hj5v-574p-mj7c",
        "PYSEC-2020-92"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pytest-dev/py",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "b344f5b51fd3ec260d180d93e43b4796f1da57b9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:pytest:py:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.9.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.9.0",
            "1.5.3",
            "1.4.34",
            "1.4.31",
            "1.4.30",
            "1.4.29",
            "1.4.28",
            "1.4.27",
            "1.4.26",
            "1.4.25",
            "1.4.24",
            "1.4.23",
            "1.4.21",
            "1.4.20",
            "1.4.19",
            "1.4.18",
            "1.4.17",
            "1.4.16",
            "1.4.15",
            "1.4.14",
            "1.4.13",
            "1.4.12",
            "1.4.11",
            "1.4.10",
            "1.4.9",
            "1.4.7",
            "1.4.6",
            "1.4.4",
            "1.4.3",
            "1.4.2",
            "1.4.1",
            "1.4.0",
            "1.3.3",
            "1.3.2",
            "1.3.1",
            "1.3.0",
            "1.2.1",
            "1.2.0",
            "1.1.1",
            "1.1.0",
            "1.0.0b3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-29651.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:19.925840026Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2024/11/msg00024.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYWNYEV3FGDHPIHX4DDUDMFZ6NLCQRC4/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHDTINIBJZ67T3W74QTBIY5LPKAXEOGR/",
        "https://github.com/pytest-dev/py/issues/256",
        "https://github.com/pytest-dev/py/pull/257",
        "https://www.oracle.com/security-alerts/cpujul2022.html",
        "https://github.com/pytest-dev/py/pull/257/commits/4a9017dc6199d2a564b6e4b0aa39d6d8870e4144"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  },
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*"
            ],
            "vendor_product": "oracle:zfs_storage_appliance_kit",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.8"
                  },
                  {
                    "last_affected": "8.8"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-29651",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385063,
  "published_at": "2020-12-09T07:15:12.533+00:00"
}