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...
- Published
- Oct 9, 2006
- Updated
- Aug 7, 2024
- Assigning CNA
- redhat
- Evidence observed
- Oct 5, 2006
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:CModerate · next 30 days
- Percentile
- 97.5%
- Model date
- Oct 14, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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).
Sources
anonymous · php · Oct 5, 2006
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