A stack overflow in the unauthenticated login process of Check Point Security Management Server/Multi-Domain Security Management Server/Log Server may allow remote attackers to execute arbitrary code as root. Affected: R82.20, R82.10 JHF Take 44 or lower, R82 JHF Take 126 or lower, R81.20 JHF Take 166 or lower, R81.10 JHF Take 190 or lower. Patch via Check Point LivePatch and validate with cplp list; restrict Trusted Clients.