[exim-dev] [Bug 2521] New: Maybe insufficient buffer in hos…

https://bugs.exim.org/show_bug.cgi?id=2521

            Bug ID: 2521
           Summary: Maybe insufficient buffer in host_name_lookup()
           Product: Exim
           Version: 4.93
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: bug
          Priority: medium
         Component: Unfiled
          Assignee: unallocated@???
          Reporter: nide@???
                CC: exim-dev@???

I strongly doubt that the line 1693 of host.c in exim 4.93
int count = 0;
should be
int count = 1;
because store_get allocates (count * sizeof(uschar *)) buffer, but we need one
more redundant area to store the end of alias list by
*aptr = NULL;
in line 1744.

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