CVE-2014-7933

Vulnerabilidad de uso después de liberación en la función matroska_read_seek en libavformat/matroskadec.c en FFmpeg anterior a 2.5.1, utilizado en Google Chrome anterior a 40.0.2214.91, permite a atacantes remotos causar una denegación de servicio o posiblemente tener otro impacto no especificado a través de un fichero Matroska manipulado que provoca un mantenimiento incorrecto de los datos de pistas.

Several memory corruption bugs were discovered in ICU. 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 renderer crash or execute arbitrary code with the privileges of the sandboxed render process. A use-after-free was discovered in the IndexedDB implementation. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking the program. Various other issues were also addressed.