If spl_autoload doesn't load anything valid, it tries to throw an exception, possibly using null pointer, causing the crash. Upstream report: https://bugs.php.net/bug.php?id=70290 Upstream patch: http://git.php.net/?p=php-src.git;a=commit;h=b584b513983319be170f02828bc7c12850b40320
Created php tracking bugs for this issue: Affects: fedora-all [bug 1260761]
php-5.6.13-1.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.
php-5.6.13-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
php-5.6.13-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
This is not considered to be a security vulnerability - crash is triggered by specially-crafted / malicious PHP script, hence trust boundary is not crossed.