Vulnerability from bitnami_vulndb
Published
2025-08-11 13:53
Modified
2026-09-08 08:34
Summary
Null Dereference in SoapClient
Details

In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "libphp",
        "purl": "pkg:bitnami/libphp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.3.0"
            },
            {
              "fixed": "7.3.27"
            },
            {
              "introduced": "7.4.0"
            },
            {
              "fixed": "7.4.15"
            },
            {
              "introduced": "8.0.0"
            },
            {
              "fixed": "8.0.2"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-21702"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*"
    ],
    "severity": "High"
  },
  "details": "In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.",
  "id": "BIT-libphp-2021-21702",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2025-08-11T13:53:21.478Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://bugs.php.net/bug.php?id=80672"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21702"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.gentoo.org/glsa/202105-23"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.netapp.com/advisory/ntap-20210312-0005/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.debian.org/security/2021/dsa-4856"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.tenable.com/security/tns-2021-14"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Null Dereference in SoapClient"
}



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