GHSA-XWC8-RF6M-XR86

Vulnerability from github – Published: 2023-06-30 21:30 – Updated: 2026-03-25 15:04
VLAI
Summary
hnswlib Double Free vulnerability
Details

Hnswlib 0.7.0 has a double free in init_index when the M argument is a large integer.

Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "hnswlib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-37365"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-415"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-30T22:12:53Z",
    "nvd_published_at": "2023-06-30T19:15:09Z",
    "severity": "MODERATE"
  },
  "details": "Hnswlib 0.7.0 has a double free in `init_index` when the M argument is a large integer.",
  "id": "GHSA-xwc8-rf6m-xr86",
  "modified": "2026-03-25T15:04:47Z",
  "published": "2023-06-30T21:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-37365"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nmslib/hnswlib/issues/467"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nmslib/hnswlib/pull/484"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nmslib/hnswlib/commit/f6d170ce0b41f9e75ace473b09df6e7872590757"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/nmslib/hnswlib"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "hnswlib Double Free vulnerability"
}


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