Security advisory

{
  "id": "520c344a1936a3caeff2145706f1bde53e030f62489fcfa082760c1cdf0999b7",
  "url": "https://osv.dev/vulnerability/CVE-2021-21702",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-21702",
    "summary": "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.",
    "evidence": "osv:CVE-2021-21702",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-21702",
      "aliases": [
        "BIT-libphp-2021-21702",
        "BIT-php-2021-21702",
        "BIT-php-min-2021-21702",
        "CVE-2021-21702"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/php/php-src",
              "type": "GIT",
              "events": [
                {
                  "introduced": "52ace952a1b65ca80fc2617f11c2fa6dd03f51bd"
                },
                {
                  "fixed": "c800ecda065b5642dde6aff5484d58d91d77f66c"
                },
                {
                  "introduced": "3c7824e16ec4c3cee417262445d2c2b66531c10f"
                },
                {
                  "fixed": "c6723538054d96291abb6bad4628b9f55bc7fc17"
                },
                {
                  "introduced": "5dc92c2117cafc61daaaaa240fd46c3ac33872a4"
                },
                {
                  "fixed": "a66aeecc2c0adc32ea0bbaa6e669b92f2deaa939"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.3.0"
                      },
                      {
                        "fixed": "7.3.27"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.4.0"
                      },
                      {
                        "fixed": "7.4.15"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "fixed": "8.0.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21702.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:24.272114741Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html",
        "https://security.gentoo.org/glsa/202105-23",
        "https://security.netapp.com/advisory/ntap-20210312-0005/",
        "https://www.debian.org/security/2021/dsa-4856",
        "https://www.tenable.com/security/tns-2021-14",
        "https://bugs.php.net/bug.php?id=80672",
        "https://www.oracle.com/security-alerts/cpuoct2021.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "oracle:communications_diameter_signaling_router",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0.0"
                  },
                  {
                    "last_affected": "8.5.0"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  },
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-21702",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431113,
  "published_at": "2021-02-15T04:15:12.673+00:00"
}