Description
The array_user_key_compare function in PHP 4.4.6 and earlier, and 5.x up to 5.2.1, makes erroneous calls to zval_dtor, which triggers memory corruption and allows local users to bypass safe_mode and execute arbitrary code via a certain unset operation after array_user_key_compare has been called.
Remediation
References
Related Vulnerabilities
MySQL CVE-2022-21589 Vulnerability (CVE-2022-21589)
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WebLogic CVE-2024-21234 Vulnerability (CVE-2024-21234)
WordPress 4.6.x Prototype Pollution (4.6 - 4.6.22)
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