# CVE-2002-1420

## Summary

- **CVE ID:** CVE-2002-1420
- **Severity:** UNKNOWN
- **CVSS Score:** 0.02
- **CWE:** N/A
- **Published:** Sep 1, 2004
- **Last Modified:** Mar 16, 2026

## Description

Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check as a signed integer, but is later used as an unsigned integer during a data copying operation.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.securityfocus.com/bid/5442)
- [CNA](http://www.iss.net/security_center/static/9809.php)
- [CNA](http://www.kb.cert.org/vuls/id/259787)
- [CNA](http://www.osvdb.org/7554)
- [CNA](http://marc.info/?l=bugtraq&m=102918817012863&w=2)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.40%
- **EPSS Percentile:** 60.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._