Archived - About the security content of Mac OS X 10.3.8 Update
Mac OS X 10.3
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Security content of Mac OS X 10.3.8 Update
Impact: Local system users can cause a temporary system stall.
Description: An issue with the handling of requests to the fan control unit (FCU) driver could allow unprivileged local users to hang a system. Credit to Marcel Bresink of Marcel Bresink Software-Systeme for reporting this issue.