The Internet Printing Protocol (IPP) implementation in CUPS before 1.1.21 allows remote attackers to cause a denial of service (service hang) via a certain UDP packet to the IPP port.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11732
https://github.com/fibonascii/CVE-2004-0558
https://exchange.xforce.ibmcloud.com/vulnerabilities/17389
https://bugzilla.fedora.us/show_bug.cgi?id=2072
http://www.trustix.org/errata/2004/0047/
http://www.suse.com/de/security/2004_31_cups.html
http://www.securityfocus.com/bid/11183
http://www.redhat.com/support/errata/RHSA-2004-449.html
http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:097
http://www.debian.org/security/2004/dsa-545
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1000757.1-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-201005-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57646-1
http://marc.info/?l=bugtraq&m=109760654431316&w=2
http://lists.apple.com/archives/security-announce/2004/Oct/msg00000.html
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000872