Security researcher laf.intel reported a buffer overflow and out-of-bounds read in the libstagefright library while parsing invalid metadata in MP4 video files. This can lead to a potentially exploitable crash. 


External Reference:

http://www.mozilla.org/security/announce/2015/mfsa2015-55.html


Acknowledgements:

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges laf.intel as the original reporter.

Statement:

This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.