The Zend Engine in PHP prior to 5.4.16 RC1, and 5.5.0 before RC2, does not properly determine whether a parser error occurred, which allows context-dependent malicious users to cause a denial of service (memory consumption and application crash) via a crafted function definition, as demonstrated by an attack within a shared web-hosting environment. NOTE: the vendor's php.net/security-note.php page says "for critical security situations you should be using OS-level security by running multiple web servers each as their own user id.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
php php 5.4.12 |
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php php 5.4.14 |
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php php 5.4.8 |
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php php 5.4.9 |
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php php 5.4.11 |
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php php 5.4.10 |
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php php 5.4.2 |
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php php 5.4.5 |
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php php 5.4.6 |
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php php 5.4.13 |
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php php 5.4.0 |
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php php 5.4.3 |
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php php 5.4.1 |
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php php 5.4.7 |
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php php |
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php php 5.4.4 |
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php php 5.5.0 |
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