Apple Airport Extreme firmware 0.1.27 in Mac OS X 10.4.8 on Mac mini, MacBook, and MacBook Pro with Core Duo hardware allows remote attackers to cause a denial of service (out-of-bounds memory access and kernel panic) and have possibly other security-related impact via certain beacon frames.
https://exchange.xforce.ibmcloud.com/vulnerabilities/30663
http://www.vupen.com/english/advisories/2006/4822
http://www.securityfocus.com/bid/21383
http://www.kb.cert.org/vuls/id/583552
http://www.apple.com/support/downloads/airportextremeupdate2007001.html
http://securitytracker.com/id?1017328
http://secunia.com/advisories/23159
http://projects.info-pull.com/mokb/MOKB-30-11-2006.html
http://lists.apple.com/archives/security-announce/2007/Jan/msg00001.html
http://lists.apple.com/archives/Security-announce/2007/Mar/msg00001.html