Tilo Schwarz <mail(at)tilo-schwarz(dot)de> writes:
> Short version: I was able to crash psql repeatedly using the \e command and
> EDITOR=gnuclient
Fixed for 7.3.2 --- thanks for the report. If you need the patch today,
it's a silly 2-character change; see
http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/psql/command.c
regards, tom lane