ubuntu-cve-2025-71176
Vulnerability from osv_ubuntu
Published
2026-01-22 05:16
Modified
2026-05-20 15:24
Summary
Details

pytest through 9.0.2 on UNIX relies on directories with the /tmp/pytest-of-{user} name pattern, which allows local users to cause a denial of service or possibly gain privileges.

Severity
6.8 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-pytest",
            "binary_version": "2.8.7-4"
          },
          {
            "binary_name": "python3-pytest",
            "binary_version": "2.8.7-4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "pytest",
        "purl": "pkg:deb/ubuntu/pytest@2.8.7-4?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.7.2-2",
        "2.7.3-1",
        "2.8.7-4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "pypy-pytest",
            "binary_version": "3.3.2-2"
          },
          {
            "binary_name": "python-pytest",
            "binary_version": "3.3.2-2"
          },
          {
            "binary_name": "python3-pytest",
            "binary_version": "3.3.2-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "pytest",
        "purl": "pkg:deb/ubuntu/pytest@3.3.2-2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.3-1ubuntu1",
        "3.2.1-2",
        "3.2.5-1",
        "3.2.5-2",
        "3.2.5-2ubuntu1",
        "3.3.2-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "pypy-pytest",
            "binary_version": "4.6.9-1"
          },
          {
            "binary_name": "python-pytest",
            "binary_version": "4.6.9-1"
          },
          {
            "binary_name": "python3-pytest",
            "binary_version": "4.6.9-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "pytest",
        "purl": "pkg:deb/ubuntu/pytest@4.6.9-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.10.1-2",
        "4.6.6-1ubuntu4",
        "4.6.8-1ubuntu1",
        "4.6.9-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-pytest",
            "binary_version": "6.2.5-1ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "pytest",
        "purl": "pkg:deb/ubuntu/pytest@6.2.5-1ubuntu2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.0.2-2ubuntu1",
        "6.2.5-1ubuntu1",
        "6.2.5-1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-pytest",
            "binary_version": "7.4.4-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "pytest",
        "purl": "pkg:deb/ubuntu/pytest@7.4.4-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.4.0-2",
        "7.4.3-1",
        "7.4.3-2",
        "7.4.4-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-pytest",
            "binary_version": "8.3.5-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "pytest",
        "purl": "pkg:deb/ubuntu/pytest@8.3.5-2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.3.5-1",
        "8.3.5-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-pytest",
            "binary_version": "9.0.2-4"
          },
          {
            "binary_name": "python3-pytest-subtests",
            "binary_version": "0.15.0++9.0.2-4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "pytest",
        "purl": "pkg:deb/ubuntu/pytest@9.0.2-4?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.3.5-2",
        "8.4.2-1",
        "9.0.2-2",
        "9.0.2-4"
      ]
    }
  ],
  "aliases": [],
  "details": "pytest through 9.0.2 on UNIX relies on directories with the /tmp/pytest-of-{user} name pattern, which allows local users to cause a denial of service or possibly gain privileges.",
  "id": "UBUNTU-CVE-2025-71176",
  "modified": "2026-05-20T15:24:11Z",
  "published": "2026-01-22T05:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-71176"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-71176"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/pytest-dev/pytest/issues/13669"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2026/01/21/5"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-71176"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.