JSON::SIMD before version 1.07 and earlier for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact.
To install JSON::SIMD, copy and paste the appropriate command in to your terminal.
cpanm
cpanm JSON::SIMD
CPAN shell
perl -MCPAN -e shell install JSON::SIMD
For more information on module installation, please visit the detailed CPAN module installation guide.