ubuntu-cve-2019-18874
Vulnerability from osv_ubuntu
Published
2019-11-12 02:15
Modified
2025-09-08 16:45
Summary
Details

psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-psutil",
            "binary_version": "3.4.2-1ubuntu0.1"
          },
          {
            "binary_name": "python3-psutil",
            "binary_version": "3.4.2-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "python-psutil",
        "purl": "pkg:deb/ubuntu/python-psutil@3.4.2-1ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.2-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.1-3",
        "3.4.1-1",
        "3.4.2-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-psutil",
            "binary_version": "5.4.2-1ubuntu0.1"
          },
          {
            "binary_name": "python3-psutil",
            "binary_version": "5.4.2-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "python-psutil",
        "purl": "pkg:deb/ubuntu/python-psutil@5.4.2-1ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.4.2-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.0.1-1build2",
        "5.4.1-1",
        "5.4.2-1"
      ]
    }
  ],
  "aliases": [],
  "details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
  "id": "UBUNTU-CVE-2019-18874",
  "modified": "2025-09-08T16:45:40Z",
  "published": "2019-11-12T02:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-18874"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/giampaolo/psutil/pull/1616"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/giampaolo/psutil/pull/1624"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4204-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-18874"
    }
  ],
  "related": [
    "USN-4204-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-18874"
  ]
}



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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.
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