CVE-2015-4475

Vulnerabilidad en la función Mozilla::AudioSink de Mozilla Firefox en versiones anteriores a 40.0 y Firefox ESR 38.x en versiones anteriores a 38.2, no maneja correctamente los formatos de muestreo inconsistente en los datos de audio MP3, lo que permite a atacantes remotos ejecutar código arbitrario o causar una denegación de servicio (lectura fuera de rango) a través de archivos malformados.

USN-2702-1 fixed vulnerabilities in Firefox. This update provides the corresponding updates for Ubufox. Gary Kwong, Christian Holler, Byron Campen, Tyson Smith, Bobby Holley, Chris Coulson, and Eric Rahm discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. Aki Helin discovered an out-of-bounds read when playing malformed MP3 content in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to obtain sensitive information, cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. Various other issues were also addressed.