Vulnerability from bitnami_vulndb
Published
2025-08-11 13:53
Modified
2025-08-11 14:19
Summary
mysqlnd/pdo password buffer overflow
Details

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "libphp",
        "purl": "pkg:bitnami/libphp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.4.0"
            },
            {
              "fixed": "7.4.30"
            },
            {
              "introduced": "8.0.0"
            },
            {
              "fixed": "8.0.20"
            },
            {
              "introduced": "8.1.0"
            },
            {
              "fixed": "8.1.7"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-31626"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*"
    ],
    "severity": "High"
  },
  "details": "In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.",
  "id": "BIT-libphp-2022-31626",
  "modified": "2025-08-11T14:19:40.295Z",
  "published": "2025-08-11T13:53:36.527Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bugs.php.net/bug.php?id=81719"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00030.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T4MMEEZYYAEHPQMZDFN44PHORJWJFZQ/"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZZTZQKRGEYJT5UB4FGG3MOE72SQUHSL4/"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31626"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202209-20"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20220722-0005/"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2022/dsa-5179"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "mysqlnd/pdo password buffer overflow"
}


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Detection rules are retrieved from Rulezet.