Live for Speed (LFS) S1 and S2 allows remote attackers to cause a denial of service (server crash) via (1) a certain 0x00 byte in a pre-login ID 3 packet, which triggers a NULL dereference; or (2) a pre-login ID 5 packet that lacks certain strings, which triggers an invalid pointer dereference.
aluigi.altervista/adv/lfsbof-adv.txt
lists.grok.org.uk/pipermail/full-disclosure/2007-August/065265.html
secunia.com/advisories/26569
securityreason.com/securityalert/3030
www.securityfocus.com/archive/1/476516/100/0/threaded
www.vupen.com/english/advisories/2007/2975
exchange.xforce.ibmcloud.com/vulnerabilities/36019
exchange.xforce.ibmcloud.com/vulnerabilities/36020