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BREW-DSTACK-CVE-2020-17446 (GHSA-2XPJ-F5G2-8P7M)

Vulnerability from osv_homebrew – Published: 2026-08-13 16:43 – Updated: 2026-09-09 23:52 – Source website
VLAI
Summary
Asyncpg Arbitrary Code Execution Via Access to an Uninitialized Pointer
Details

asyncpg before 0.21.0 allows a malicious PostgreSQL server to trigger a crash or execute arbitrary code (on a database client) via a crafted server response, because of access to an uninitialized pointer in the array data decoder.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "resource": "asyncpg",
        "resource_purl": "pkg:pypi/asyncpg@0.31.0",
        "upstream_fixed_in": "0.21.0"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "dstack",
        "purl": "pkg:brew/dstack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.21.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "PyPI",
        "key": "pkg:pypi/asyncpg@0.31.0",
        "name": "asyncpg",
        "resource": "asyncpg",
        "strategy": "registry",
        "subject_version": "0.31.0"
      }
    ]
  },
  "details": "asyncpg before 0.21.0 allows a malicious PostgreSQL server to trigger a crash or execute arbitrary code (on a database client) via a crafted server response, because of access to an uninitialized pointer in the array data decoder.",
  "id": "BREW-dstack-CVE-2020-17446",
  "modified": "2026-09-09T23:52:21Z",
  "published": "2026-08-13T16:43:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-17446"
    },
    {
      "type": "WEB",
      "url": "https://github.com/MagicStack/asyncpg/commit/69bcdf5bf7696b98ee708be5408fd7d854e910d0"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/MagicStack/asyncpg"
    },
    {
      "type": "WEB",
      "url": "https://github.com/MagicStack/asyncpg/releases/tag/v0.21.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-2xpj-f5g2-8p7m"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/asyncpg/PYSEC-2020-24.yaml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00002.html"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Asyncpg Arbitrary Code Execution Via Access to an Uninitialized Pointer",
  "upstream": [
    "GHSA-2xpj-f5g2-8p7m",
    "CVE-2020-17446",
    "PYSEC-2020-24"
  ]
}



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