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Vulnerability Score 5.0 5.0
CVE Id CVE-2004-1503
Last Modified 05 Sep 2008 04:41:35
Published 31 Dec 2004 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



Integer overflow in the InitialDirContext in Java Runtime Environment (JRE) 1.4.2, 1.5.0 and possibly other versions allows remote attackers to cause a denial of service (Java exception and failed DNS requests) via a large number of DNS requests, which causes the xid variable to wrap around and become negative.

Vulnerable Systems


  • Sun Jre 1.4.2

  • Sun Jre 1.5.0


XF - sun-jre-dns-dos(17990)

BID - 11619

SECUNIA - 13142

BUGTRAQ - 20041108 DOS against Java JNDI/DNS

Last Updated: 27 May 2016 10:39:04