The Safe (aka Safe.pm) module 2.26, and certain earlier versions, for Perl, as used in PostgreSQL 7.4 prior to 7.4.29, 8.0 prior to 8.0.25, 8.1 prior to 8.1.21, 8.2 prior to 8.2.17, 8.3 prior to 8.3.11, 8.4 prior to 8.4.4, and 9.0 Beta prior to 9.0 Beta 2, allows context-dependen...