CVE-2015-1209

Vulnerabilidad de uso después de liberación en la función VisibleSelection::nonBoundaryShadowTreeRootNode en core/editing/VisibleSelection.cpp en la implementación DOM en Blink, utilizado en Google Chrome anterior a 40.0.2214.111 en Windows, OS X, y Linux y anterior a 40.0.2214.109 en Android, permite a atacantes remotos causar una denegación de servicio o posiblemente tener otro impacto no especificado a través de código JavaScript manipulado que provoca el manejo incorrecto de una ancla shadow-root.

A use-after-free bug was discovered in the DOM implementation in Blink. 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 renderer crash or execute arbitrary code with the privileges of the sandboxed render process. It was discovered that V8 did not properly consider frame access restrictions when throwing exceptions in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to bypass same origin restrictions. Various other issues were also addressed.