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  1. C Driver
  2. CDRIVER-5606

Uninitialized read with mongoc_host_list_t

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Minor - P4 Minor - P4
    • 1.27.3
    • Affects Version/s: None
    • Component/s: None
    • None
    • C Drivers
    • Not Needed
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      1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

      Summary

      The mongoc_host_list_t aggregate contains an explicit padding member, but this member is not initialized in any context. Attempting to read from this padding member will perform UB.

      Additional Background

      Found by Coverity: CID 120342, 121139, and 118903

            Assignee:
            colby.pike@mongodb.com Colby Pike
            Reporter:
            colby.pike@mongodb.com Colby Pike
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              Created:
              Updated:
              Resolved: