Reference counting in php_request_shutdown causes Use-After-Free

{
  "id": "cdd901574a8d879ae5b489dfa96d40655a4c27bc9df06ee2d59cf3bfd9f95b56",
  "url": "https://osv.dev/vulnerability/CVE-2024-11235",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Reference counting in php_request_shutdown causes Use-After-Free",
    "summary": "In PHP versions 8.3.* before 8.3.19 and 8.4.* before 8.4.5, a code sequence involving __set handler or ??= operator and exceptions can lead to a use-after-free vulnerability. If the third party can control the memory layout leading to this, for example by supplying specially crafted inputs to the script, it could lead to remote code execution.",
    "evidence": "osv:CVE-2024-11235",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2024-11235",
      "aliases": [
        "BIT-libphp-2024-11235",
        "BIT-php-2024-11235",
        "BIT-php-min-2024-11235",
        "CVE-2024-11235",
        "GHSA-rwp7-7vc6-8477"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Amber"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/php/php-src",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d26068059e83fe40de3430a512471d194119bee0"
                },
                {
                  "fixed": "fdeadcd9ba0627cf1967220489ab6caa031e4034"
                },
                {
                  "introduced": "b437f2b32eb364c9496d24abcc734272e5c9c980"
                },
                {
                  "fixed": "23e05bdcf23319f4922513a91bb0d5e3925d5249"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.3.0"
                      },
                      {
                        "fixed": "8.3.19"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.4.0"
                      },
                      {
                        "fixed": "8.4.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-11235.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.730457372Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/11xxx/CVE-2024-11235.json",
        "https://github.com/php/php-src/security/advisories/GHSA-rwp7-7vc6-8477",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-11235"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-416"
        ],
        "cna_assigner": "php",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/11xxx/CVE-2024-11235.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-11235",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491363,
  "published_at": "2025-04-04T17:51:07.55+00:00"
}