CVE-2002-1563: Race Condition

Published Apr 26, 2003
·
Updated

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 Software

1 affected component
Stunnel Stunnel=4.04

Event History

Apr 26, 2003
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2002-1563?

The severity of CVE-2002-1563 is classified as a denial of service vulnerability.

2

How do I fix CVE-2002-1563?

To fix CVE-2002-1563, upgrade to stunnel version 4.04 or later.

3

What is the impact of CVE-2002-1563?

The impact of CVE-2002-1563 is that it can cause stunnel to crash, leading to service downtime.

4

Which versions of stunnel are affected by CVE-2002-1563?

Versions of stunnel 4.0.3 and earlier are affected by CVE-2002-1563.

5

What type of attack does CVE-2002-1563 allow?

CVE-2002-1563 allows attackers to exploit a race condition in the SIGCHLD signal handler.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203