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CVE-2026-7259 Null pointer dereference in php_mb_check_encoding() via mb_ereg_search_init()

🗓️ 10 May 2026 04:13:26Reported by phpType 
cvelist
 cvelist
🔗 www.cve.org👁 48 Views

Null pointer dereference in php_mb_check_encoding from encoding mismatch; user input may segfault.

Related
Affected
Refs
[
  {
    "vendor": "PHP Group",
    "product": "PHP",
    "packageName": "mbstring",
    "versions": [
      {
        "status": "affected",
        "version": "8.2.*",
        "lessThan": "8.2.31",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "8.3.*",
        "lessThan": "8.3.31",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "8.4.*",
        "lessThan": "8.4.21",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "8.5.*",
        "lessThan": "8.5.6",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "affected"
  }
]

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