# CVE-2002-1563

## Summary

- **CVE ID:** CVE-2002-1563
- **Severity:** UNKNOWN
- **CVSS Score:** 0
- **CWE:** N/A
- **Published:** Apr 26, 2003
- **Last Modified:** Mar 16, 2026

## Description

stunnel 4.0.3 and earlier allows attackers to cause a denial of service (crash) via SIGCHLD signal handler race conditions that cause an inconsistency in the child counter.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.linuxsecurity.com/advisories/engarde_advisory-3535.html)
- [CNA](http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000736)
- [CNA](http://marc.info/?l=bugtraq&m=104247606910598)
- [CNA](http://www.redhat.com/support/errata/RHSA-2003-223.html)
- [CNA](http://marc.info/?l=stunnel-users&m=103600188215117&w=2)
- [CNA](http://www.securityfocus.com/bid/6592)
- [CNA](http://marc.info/?l=bugtraq&m=106029168514511&w=2)
- [CNA](http://www.redhat.com/support/errata/RHSA-2003-221.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.08%
- **EPSS Percentile:** 24.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._