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CVE-2014-9425

Status: ModifiedHigh (7.5)—

Double free vulnerability in the zend_ts_hash_graceful_destroy function in zend_ts_hash.c in the Zend Engine in PHP through 5.5.20 and 5.6.x through 5.6.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Apple — MAC OS XPHP — PHP

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2014-9425",
  "cveTags": [],
  "metrics": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": true,
        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
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        "userInteractionRequired": false
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  "published": "2014-12-31T02:59:00.060",
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    {
      "lang": "en",
      "value": "Double free vulnerability in the zend_ts_hash_graceful_destroy function in zend_ts_hash.c in the Zend Engine in PHP through 5.5.20 and 5.6.x through 5.6.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de doble liberación en la función zend_ts_hash_graceful_destroy en zend_ts_hash.c en Zend Engine en PHP hasta 5.5.20 y 5.6.x hasta 5.6.4 permite a atacantes remotos causar una denegación de servicio o la posibilidad de tener otro impacto sin especificar a través de vectores no conocidos."
    }
  ],
  "lastModified": "2026-06-17T00:18:20.563",
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  "evaluatorComment": "CWE-415: Double Free",
  "sourceIdentifier": "cve@mitre.org"
}