# Wireshark &WiresharkCurrentVersion; Release Notes

## What is Wireshark?

Wireshark is the world's most popular network protocol analyzer. It is used for troubleshooting, analysis, development and education.

## What's New

### Bug Fixes

The following vulnerabilities have been fixed. See the security advisory for details and a workaround.

- The Lucent/Ascend file parser was susceptible to an infinite loop.

  Versions affected: 1.2.0 to 1.2.17, 1.4.0 to 1.4.7, and 1.6.0.

  CVE-2011-2597

- The ANSI MAP dissector was susceptible to an infinite loop. (Bug 6044)

  Versions affected: 1.4.0 to 1.4.7, and 1.6.0.

The following bugs have been fixed:

- TCP dissector doesn't decode TCP segments of length 1. (Bug 4716)

- wireshark 1.4.0rc1 and python - spurious message. (Bug 4878)

- Missing LUA function. (Bug 5006)

- Lua API description about creating a new Tvb from a bytearray is not correct in wireshark's user guide. (Bug 5199)

- Character echo pauses in Capture Filter field in Capture Options. (Bug 5356)

- White space in protocol field abbreviation causes runtime failure while registering Lua dissector. (Bug 5569)

- "File not found" box uses wrong filename encoding. (Bug 5715)

- capinfos: #ifdef HAVE_LIBGCRYPT block includes a line too many . (Bug 5803)

- Wireshark crashes if Lua contains "Pref.range()" with missing arguments. (Bug 5895)

- The "range" field in Lua's "Pref.range()" serves as default while the "default" field does nothing . (Bug 5896)

- Wireshark crashes when calling TreeItem:set_len() on TreeItem without tvb. (Bug 5941)

- TvbRange_string(lua_State* L) call a wrong function. (Bug 5960)

- VoIP call flow graph displays BICC APM as a BICC ANM. (Bug 5966)

- Cannot Live-capture VirtualBox network packets with Wireshark; pipe problem. (Bug 6002)

- Interface list in Capture Options isn't cleared when selecting other host. (Bug 6008)

- H323 rate multiplier wrong. (Bug 6009)

- Inclusion of config.h is too late in lex-files resulting in wrong definition of _FILE_OFFSET_BITS. (Bug 6012)

- tshark crashes when loading Lua script that contains GUI function. (Bug 6018)

- 802.11 Disassociation Packet's "Reason Code" field is imprecisely decoded/described. (Bug 6022)

- Wireshark crashes when setting custom column's field name with conditional. (Bug 6028)

- Crash after applying "expert.severity" field as column. (Bug 6035)

- GTS Descriptor count limited to 3 instead of 7. (Bug 6055)

- The SSL dissector can not resemble correctly the frames after TCP zero window probe packet. (Bug 6059)

- Packet parser takes too long for this trace. (Bug 6073)

- The SSL dissector can not resemble correctly the frames after TCP zero window probe packet. (Bug 6059)

- Wireshark crashes after repeating "File -> Import -> Cancel". (Bug 6080)

- Decoding of MQ ASCII and EBCDIC Traffic Flow - ASCII shows fine, EBCDIC does not. (Bug 6084)

- 802.11 Association Response Packet's "Status Code" field is imprecisely decoded/described. (Bug 6093)

- Abis interface not correctly handled in gsmtap dissector. (Bug 6097)

- Wrong decoding of RLC/MAC EGPRS Packet Downlink Ack/Nack (3GPP TS 44.060). (Bug 6098)

- CSN Ack/Nack Description wrongly handled in gsm_rlcmac_dl dissector (3GPP TS 44.060). (Bug 6101)

- wireshark 1.6.0 and python support: installer fails to create the wspy_dissectors subdirectory and . (Bug 6110)

- Wireshark crash during RTP stream analysis. (Bug 6120)

- Tshark custom columns: Why don't I get an error message? (Bug 6131)

### New and Updated Features

There are no new features in this release.

### New Protocol Support

There are no new protocols in this release.

### Updated Protocol Support

### New and Updated Capture File Support

Network Monitor.

## Getting Wireshark

Wireshark source code and installation packages are available from http://www.wireshark.org/download.html.

### Vendor-supplied Packages

Most Linux and Unix vendors supply their own Wireshark packages. You can usually install or upgrade Wireshark using the package management system specific to that platform. A list of third-party packages can be found on the download page on the Wireshark web site.

## File Locations

Wireshark and TShark look in several different locations for preference files, plugins, SNMP MIBS, and RADIUS dictionaries. These locations vary from platform to platform. You can use About→Folders to find the default locations on your system.

## Known Problems

Wireshark might make your system disassociate from a wireless network on OS X 10.4. (Bug 1315)

Dumpcap might not quit if Wireshark or TShark crashes. (Bug 1419)

The BER dissector might infinitely loop. (Bug 1516)

Capture filters aren't applied when capturing from named pipes. (Bug 1814)

Filtering tshark captures with display filters (-R) no longer works. (Bug 2234)

The 64-bit Windows installer does not ship with libsmi. (Win64 development page)

Application crash when changing real-time option. (Bug 4035)

Hex pane display issue after startup. (Bug 4056)

Packet list rows are oversized. (Bug 4357)

Summary pane selected frame highlighting not maintained. (Bug 4445)

Wireshark and TShark will display incorrect delta times in some cases. (Bug 4985 and bug 5580)

Character echo pauses in Capture Filter field in Capture Options. (Bug 5356)

## Getting Help

Community support is available on Wireshark's Q&A site and on the wireshark-users mailing list. Subscription information and archives for all of Wireshark's mailing lists can be found on the web site.

Training is available from Wireshark University.

## Frequently Asked Questions

A complete FAQ is available on the Wireshark web site.