Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 7486] New: Possible NULL dereference in packet-pop

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7486

           Summary: Possible NULL dereference in packet-pop
           Product: Wireshark
           Version: SVN
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: Low
         Component: Dissection engine (libwireshark)
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: darkjames-ws@xxxxxxxxxxxx


Created attachment 8781
  --> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=8781
Capture file which cause NULL dereference

Build Information:
TShark 1.9.0/r43756
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Hi,

It's possible to crash wireshark with null dereference of data_val.
Attaching sample capture file.

Reverting r43230 (bug #3317) fix the problem.

If you run tshark please note that crash will occur on second dissection of
packet. i.e. tshark -r /tmp/test won't crash, but tshark -r /tmp/test -2 will.

Or skip -2 and just run wireshark.

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