CVE-2015-4511

Vulnerabilidad de desbordamiento del buffer basado en memoria dinámica en la función nestegg_track_codec_data en Mozilla Firefox en versiones anteriores a 41.0 y Firefox EXR 38.x en versiones anteriores a 38.3, permite a atacantes remotos ejecutar código arbitrario a través de una cabecera manipulada en un video WebM.

Andrew Osmond, Olli Pettay, Andrew Sutherland, Christian Holler, David Major, Andrew McCreight, and Cameron McCormack discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message, 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 Thunderbird. Khalil Zhani discovered a buffer overflow when parsing VP9 content in some circumstances. If a user were tricked in to opening a specially crafted message, 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 Thunderbird. Various other issues were also addressed.