ubuntu-cve-2026-45736
Vulnerability from osv_ubuntu
Published
2026-05-15 15:16
Modified
2026-06-30 16:21
Summary
Details

ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-ws",
            "binary_version": "1.0.1+ds1.e6ddaae4-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "node-ws",
        "purl": "pkg:deb/ubuntu/node-ws@1.0.1+ds1.e6ddaae4-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.7.2+ds1.349b7460-1",
        "1.0.1+ds1.e6ddaae4-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-ws",
            "binary_version": "1.1.0+ds1.e6ddaae4-3ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "node-ws",
        "purl": "pkg:deb/ubuntu/node-ws@1.1.0+ds1.e6ddaae4-3ubuntu1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.0+ds1.e6ddaae4-3build1",
        "1.1.0+ds1.e6ddaae4-3ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-ws",
            "binary_version": "7.2.1-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "node-ws",
        "purl": "pkg:deb/ubuntu/node-ws@7.2.1-3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.0+ds1.e6ddaae4-5",
        "7.2.1-2",
        "7.2.1-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-ws",
            "binary_version": "8.5.0+~cs13.3.3-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "node-ws",
        "purl": "pkg:deb/ubuntu/node-ws@8.5.0+~cs13.3.3-2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.4.2+~cs18.0.8-2",
        "7.5.5+~cs13.0.13-1",
        "8.5.0+~cs13.3.3-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-ws",
            "binary_version": "8.11.0+~cs13.7.3-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "node-ws",
        "purl": "pkg:deb/ubuntu/node-ws@8.11.0+~cs13.7.3-2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.11.0+~cs13.7.3-1",
        "8.11.0+~cs13.7.3-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-ws",
            "binary_version": "8.18.1+~cs14.18.2-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "node-ws",
        "purl": "pkg:deb/ubuntu/node-ws@8.18.1+~cs14.18.2-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.18.0+~cs14.5.15-1",
        "8.18.1+~cs14.18.2-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-ws",
            "binary_version": "8.19.0+~cs14.19.1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "node-ws",
        "purl": "pkg:deb/ubuntu/node-ws@8.19.0+~cs14.19.1-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.18.1+~cs14.18.2-1",
        "8.19.0+~cs14.19.1-1"
      ]
    }
  ],
  "aliases": [],
  "details": "ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.",
  "id": "UBUNTU-CVE-2026-45736",
  "modified": "2026-06-30T16:21:57Z",
  "published": "2026-05-15T15:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-45736"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-45736"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-45736"
  ]
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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