Unrated severityNVD Advisory· Published Dec 31, 2004· Updated Jun 16, 2026

CVE-2004-2646

Description

The addUser function in UserManager.java in Free Web Chat 2.0 allows remote attackers to cause a denial of service (uncaught NullPointerException) via unknown attack vectors that cause the usrName variable to be null.

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Patches

Vulnerability mechanics

References

archives.neohapsis.com/archives/fulldisclosure/2004-08/0102.htmlnvdExploitPatch
securitytracker.com/alerts/2004/Aug/1010851.htmlnvdExploitPatch
www.securityfocus.com/bid/10863nvdExploit
marc.infonvd
www.osvdb.org/8369nvd
exchange.xforce.ibmcloud.com/vulnerabilities/16893nvd

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