ubuntu-cve-2023-26151
Vulnerability from osv_ubuntu
Published
2023-10-03 05:15
Modified
2025-10-24 05:01
Summary
Details

Versions of the package asyncua before 0.9.96 are vulnerable to Denial of Service (DoS) such that an attacker can send a malformed packet and as a result, the server will enter into an infinite loop and consume excessive memory.

Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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": {
        "binaries": [
          {
            "binary_name": "python-opcua",
            "binary_version": "0.90.3-1"
          },
          {
            "binary_name": "python-opcua-tools",
            "binary_version": "0.90.3-1"
          },
          {
            "binary_name": "python3-opcua",
            "binary_version": "0.90.3-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "python-opcua",
        "purl": "pkg:deb/ubuntu/python-opcua@0.90.3-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.90.3-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-opcua-tools",
            "binary_version": "0.98.9-1"
          },
          {
            "binary_name": "python3-opcua",
            "binary_version": "0.98.9-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "python-opcua",
        "purl": "pkg:deb/ubuntu/python-opcua@0.98.9-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.98.6-3",
        "0.98.6-3ubuntu1",
        "0.98.9-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-opcua-tools",
            "binary_version": "0.98.11-1ubuntu1"
          },
          {
            "binary_name": "python3-opcua",
            "binary_version": "0.98.11-1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "python-opcua",
        "purl": "pkg:deb/ubuntu/python-opcua@0.98.11-1ubuntu1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.98.11-1",
        "0.98.11-1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Versions of the package asyncua before 0.9.96 are vulnerable to Denial of Service (DoS) such that an attacker can send a malformed packet and as a result, the server will enter into an infinite loop and consume excessive memory.",
  "id": "UBUNTU-CVE-2023-26151",
  "modified": "2025-10-24T05:01:50Z",
  "published": "2023-10-03T05:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-26151"
    },
    {
      "type": "REPORT",
      "url": "https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96"
    },
    {
      "type": "REPORT",
      "url": "https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/issues/1013"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/pull/1039"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b262"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-26151"
    }
  ],
  "related": [],
  "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:L",
      "type": "CVSS_V3"
    },
    {
      "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-2023-26151"
  ]
}



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