Race condition in the CFURLWriteDataAndPropertiesToResource API in Core Foundation in Apple Mac OS X 10.4.11 creates files with insecure permissions, which might allow local users to obtain sensitive information.
Concurrent Execution using Shared Resource with Improper Synchronization The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.