Security researcher Ash reported an out of bounds read issue with Web Audio. This issue could allow for web content to trigger crashes that are potentially exploitable. External Reference: http://www.mozilla.org/security/announce/2014/mfsa2014-36.html Acknowledgements: Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Security researcher Ash as the original reporter. Statement: This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5 and 6