Mozilla · Firefox · CVE-2015-4479
**Name of the Vulnerable Software and Affected Versions**
Mozilla Firefox versions prior to 40.0
Firefox ESR versions prior to 38.2
**Description**
The issue is related to multiple integer overflows in the libstagefright library, which can be exploited by remote attackers to execute arbitrary code via a crafted saio chunk in MPEG-4 video data. This can allow a remote attacker to execute arbitrary code.
**Recommendations**
For Mozilla Firefox versions prior to 40.0, update to version 40.0 or later.
For Firefox ESR versions prior to 38.2, update to version 38.2 or later.