Use of Uninitialized Variable in trilogy

{
  "id": "94b227180ef6248aa35f49897ee3868d93d92b179a94608fadc24dbb9ff2fa49",
  "url": "https://osv.dev/vulnerability/CVE-2022-31026",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Use of Uninitialized Variable in trilogy",
    "summary": "Trilogy is a client library for MySQL. When authenticating, a malicious server could return a specially crafted authentication packet, causing the client to read and return up to 12 bytes of data from an uninitialized variable in stack memory. Users of the trilogy gem should upgrade to version 2.1.1 This issue can be avoided by only connecting to trusted servers.",
    "evidence": "osv:CVE-2022-31026",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2022-31026",
      "aliases": [
        "CVE-2022-31026",
        "GHSA-5g4r-2qhx-vqfm"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/trilogy-libraries/trilogy",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6bed62789eaf119902b0fe247d2a91d56c31a962"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "6bed62789eaf119902b0fe247d2a91d56c31a962"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.1.0",
            "2.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-31026.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.232275185Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31026.json",
        "https://github.com/github/trilogy/security/advisories/GHSA-5g4r-2qhx-vqfm",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-31026",
        "https://github.com/github/trilogy/commit/6bed62789eaf119902b0fe247d2a91d56c31a962"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-908"
        ],
        "cna_assigner": "GitHub_M",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2.1.1"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StringRangeExpression"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "12"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31026.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-31026",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 494695,
  "published_at": "2022-06-06T21:05:14+00:00"
}