# CVE-2003-0166

## Summary

- **CVE ID:** CVE-2003-0166
- **Severity:** UNKNOWN
- **CVSS Score:** 1.06
- **CWE:** N/A
- **Published:** Mar 27, 2003
- **Last Modified:** Mar 16, 2026

## Description

Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://marc.info/?l=bugtraq&m=104931415307111&w=2)
- [CNA](http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000691)
- [CNA](http://marc.info/?l=bugtraq&m=104878100719467&w=2)
- [CNA](http://www.securityfocus.com/bid/7198)
- [CNA](http://marc.info/?l=bugtraq&m=104869828526885&w=2)
- [CNA](http://www.securityfocus.com/bid/7197)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 26.61%
- **EPSS Percentile:** 96.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._