The make_script_temp function is rather peculiar because mkstemp() does not actually rely on the umask value (per POSIX, no matter what manpages may say).
scl-utils-20130529-1.fc18 has been submitted as an update for Fedora 18.
scl-utils-20130529-1.fc19 has been submitted as an update for Fedora 19.
* should fix your issue,
* was pushed to the Fedora 19 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing scl-utils-20130529-1.fc19'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).
scl-utils-20130529-1.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report.