This update to Wireshark 1 12.11 fixes a number issues in protocol dissectors that could have allowed a remote attacker to crash Wireshark or cause excessive CPU usage through specially crafted packages inserted into the network or a capture file.
Also containsfurther bug fixes and updated protocol support as listed in: https://www.wireshark.org/docs/relnotes/wireshark-1.12.11.html https://www.wireshark.org/docs/relnotes/wireshark-1.12.10.html