Security advisory

{
  "id": "451e783af1ed6263868cdc75cdce2c794cefc79f359e57f9e1fdc4e9e14a0f5f",
  "url": "https://osv.dev/vulnerability/CVE-2016-4345",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-4345",
    "summary": "Integer overflow in the php_filter_encode_url function in ext/filter/sanitizing_filters.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based buffer overflow.",
    "evidence": "osv:CVE-2016-4345",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2016-4345",
      "aliases": [
        "CVE-2016-4345"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/php/php-src",
              "type": "GIT",
              "events": [
                {
                  "introduced": "60fffd296abce5fc071f3c173c25a2696cf683c6"
                },
                {
                  "fixed": "e09845d32614a19188632f410316478fbb440ebd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0.0"
                      },
                      {
                        "fixed": "7.0.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-4345.json",
            "vanir_signatures": [
              {
                "id": "CVE-2016-4345-168acc40",
                "digest": {
                  "length": 3105,
                  "function_hash": "256499925868157450184250045566717426855"
                },
                "source": "https://github.com/php/php-src/commit/e09845d32614a19188632f410316478fbb440ebd",
                "target": {
                  "file": "ext/wddx/wddx.c",
                  "function": "php_wddx_pop_element"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2016-4345-63916535",
                "digest": {
                  "length": 1454,
                  "function_hash": "297808210448008143422161856745228178213"
                },
                "source": "https://github.com/php/php-src/commit/e09845d32614a19188632f410316478fbb440ebd",
                "target": {
                  "file": "ext/wddx/wddx.c",
                  "function": "php_wddx_process_data"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2016-4345-f1f44522",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                    "171971468238865359835315510260595594604",
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                    "154096422045862655651765972076311404641"
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                },
                "source": "https://github.com/php/php-src/commit/e09845d32614a19188632f410316478fbb440ebd",
                "target": {
                  "file": "ext/wddx/wddx.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-24T14:12:05Z"
          }
        }
      ],
      "modified": "2026-10-24T14:12:05.747100589Z",
      "provider": "osv",
      "references": [
        "https://bugs.php.net/bug.php?id=71637"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-4345",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 443317,
  "published_at": "2016-05-22T01:59:19.557+00:00"
}