https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14970
--- Comment #4 from Peter Wu <pe...@lekensteyn.nl> ---
There are two issues here.
The report in comment 1 is fixed by the above patch.
The original issue is **not** fixed. That problem seems a bit more complex.
This dialog uses information from a "tap" (which processes packets as the file
is scanned through). The problem with that approach is that any action that
triggers a rescan will invalidate the SCTP association results. So another way
to produce the crash:
1. Open "sctp.cap".
2. Right-click the packet list, "SCTP" -> "Analyze this Association"
3. In the main window, open the Statistics menu, select "DNS".
4. In the SCTP dialog, click the "Filter Association" button.
Action "3" could be substituted for any action that triggers a rescan (such as
pressing the "Filter Association" button), it would still result in a
use-after-free in step 4.
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