The zend_hash_init function in PHP 5 prior to 5.2.1 and PHP 4 prior to 4.4.5, when running on a 64-bit platform, allows context-dependent malicious users to cause a denial of service (infinite loop) by unserializing certain integer expressions, which only cause 32-bit arguments to be used after the check for a negative value, as demonstrated by an "a:2147483649:{" argument.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
php php 4.0 |
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php php |
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canonical ubuntu linux 6.06 |
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canonical ubuntu linux 6.10 |
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canonical ubuntu linux 5.10 |
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