data/osv/GO-2026-4518.json

{
  "schema_version": "1.3.1",
  "id": "GO-2026-4518",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2026-32286",
    "GHSA-jqcq-xjh3-6g23"
  ],
  "summary": "Denial of service in github.com/jackc/pgproto3/v2",
  "details": "The DataRow.Decode function fails to properly validate field lengths. A malicious or compromised PostgreSQL server can send a DataRow message with a negative field length, causing a slice bounds out of range panic.",
  "affected": [
    {
      "package": {
        "name": "github.com/jackc/pgproto3/v2",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "2.0.0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/jackc/pgproto3/v2",
            "symbols": [
              "DataRow.Decode",
              "Frontend.Receive"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-jqcq-xjh3-6g23"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/jackc/pgx/issues/2507"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/vulndb/issues/4518"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2026-4518",
    "review_status": "REVIEWED"
  }
}