freevo.real in freevo 1.8.1 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/*-#####.pid, (2) /tmp/freevo-gdb, (3) /tmp/freevo-gdb.sh, and (4) /tmp/*.stats temporary files.  NOTE: this issue is only a vulnerability when a verbose debug mode is activated by modifying source code.