CVE-2006-4812

UnknownEPSS 15.01%

Last modified

CVE-2006-4812 is a vulnerability of currently unknown severity. Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).. EPSS estimates a 15.01% chance of exploitation in the next 30 days.

Description

Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).

Metrics

EPSS Probability
15.01%

96.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
PhpPhp4.0
PhpPhp4.0.1
PhpPhp4.0.2
PhpPhp4.0.3
PhpPhp4.0.4
PhpPhp4.0.5
PhpPhp4.0.6
PhpPhp4.0.7
PhpPhp4.1.0
PhpPhp4.1.1
PhpPhp4.1.2
PhpPhp4.2
PhpPhp4.2.0
PhpPhp4.2.1
PhpPhp4.2.2
PhpPhp4.2.3
PhpPhp5.0Rc1
PhpPhp5.0.0
PhpPhp5.0.1
PhpPhp5.0.2
PhpPhp5.0.3
PhpPhp5.0.4
PhpPhp5.0.5
PhpPhp5.1.0
PhpPhp5.1.1
PhpPhp5.1.2
PhpPhp5.1.3
PhpPhp5.1.4
PhpPhp5.1.5
PhpPhp5.1.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2006-4812?
Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).
How severe is CVE-2006-4812?
Severity scoring for CVE-2006-4812 is pending analysis. The EPSS model estimates a 15.01% probability of exploitation in the next 30 days.
How do I fix CVE-2006-4812?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-4812?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST