Etterfilter utility of Ettercap have an out-of-bounds read denial-of-service vulnerability when parsing a crafted file. This occurs in the compile_tree function of the ef_compiler.c source file when processing corrupted filters. References: http://seclists.org/bugtraq/2017/Mar/24 Upstream bug: https://github.com/Ettercap/ettercap/issues/782 Upstream patch: https://github.com/LocutusOfBorg/ettercap/commit/626dc56686f15f2dda13c48f78c2a666cb6d8506