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CVSS: 10.0EPSS: 83%CPEs: 74EXPL: 0

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to HTML buttons and the first-letter CSS style. Vulnerabilidad de uso despues de liberacion en WebKit de Apple Safari anterior a v5.0 en Mac OS X v10.5 a v10.6 y Windows, y anterior a v4.1 en Mac OS X v10.4, permite a los atacantes remotos ejecutar código a su elección o causar una denegación de servicio (fallo de la aplicación) a través de vectores relacionados con botones HTML. This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple Safari's Webkit. Authentication is not required to exploit this vulnerability. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within Webkit's support of the 'first-letter' css style. • http://lists.apple.com/archives/security-announce/2010//Jun/msg00002.html http://lists.apple.com/archives/security-announce/2010//Nov/msg00003.html http://lists.apple.com/archives/security-announce/2010/Jun/msg00000.html http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html http://secunia.com/advisories/40105 http://secunia.com/advisories/40196 http://secunia.com/advisories/41856 http://sec • CWE-399: Resource Management Errors •

CVSS: 10.0EPSS: 80%CPEs: 74EXPL: 0

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to the contentEditable attribute and removing container elements. Vulnerabilidad de uso despues de liberacion en WebKit de Apple Safari anterior a v5.0 en Mac OS X v10.5 a v10.6 y Windows, y anterior a v4.1 en Mac OS X v10.4, permite a los atacantes remotos ejecutar código a su elección o causar una denegación de servicio (fallo de la aplicación) a través de vectores relacionados con la eliminación de elementos contenedores. This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apples Webkit. User interaction is required in that the user must coerced into visiting a website or opening a malicious document. The specific flaw exists within how the library removes a particular container element containing another element holding the contentEditable attribute. Upon removal of the container during a particular event, the library will traverse the tree and access the contentEditable element that was freed. • http://lists.apple.com/archives/security-announce/2010//Jun/msg00002.html http://lists.apple.com/archives/security-announce/2010/Jun/msg00000.html http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html http://secunia.com/advisories/40105 http://secunia.com/advisories/40196 http://secunia.com/advisories/41856 http://secunia.com/advisories/43068 http://securitytracker.com/id?1024067 http://supp • CWE-399: Resource Management Errors •

CVSS: 10.0EPSS: 7%CPEs: 74EXPL: 0

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to a layout change during selection rendering and the DOCUMENT_POSITION_DISCONNECTED attribute in a container of an unspecified type. Una vulnerabilidad de uso de la memoria previamente liberada en WebKit en Safari de Apple anterior a versión 5.0 sobre Mac OS X versiones 10.5 hasta 10.6 y Windows, y anterior a versión 4.1 sobre Mac OS X versión 10.4, permite a los atacantes remotos ejecutar código arbitrario o causar una denegación de servicio (bloqueo de aplicación) por medio de vectores relacionados a un cambio de diseño durante la renderización de selección y el atributo DOCUMENT_POSITION_DISCONNECTED en un contenedor de un tipo no especificado. This vulnerability allows remote attackers to execute arbitrary code on software utilizing a vulnerable version of Apple's Webkit. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists within the way that Apple's Webkit handles the DOCUMENT_POSITION_DISCONNECTED attribute when a container is removed. This attribute is responsible for ensuring that a node is disconnected from it's container and is implementation specific regarding the order of each node. • http://lists.apple.com/archives/security-announce/2010//Jun/msg00002.html http://lists.apple.com/archives/security-announce/2010/Jun/msg00000.html http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html http://secunia.com/advisories/40105 http://secunia.com/advisories/40196 http://secunia.com/advisories/41856 http://secunia.com/advisories/43068 http://securitytracker.com/id?1024067 http://supp • CWE-399: Resource Management Errors •

CVSS: 10.0EPSS: 12%CPEs: 74EXPL: 0

WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, does not properly perform ordered list insertions, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted HTML document, related to the insertion of an unspecified element into an editable container and the access of an uninitialized element. WebKit en Safari de Apple anterior a versión 5.0 sobre Mac OS X versiones 10.5 hasta 10.6 y Windows, y anterior a versión 4.1 sobre Mac OS X versión 10.4, no realiza apropiadamente las inserciones de lista ordenadas, lo que permite a los atacantes remotos ejecutar código arbitrario o causar una denegación de servicio (corrupción de memoria y bloqueo de aplicación) por medio de un documento HTML especialmente diseñado, relacionado con la inserción de un elemento no especificado hacia un contenedor editable y el acceso de un elemento no inicializado. This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple's Webkit. User interaction is required in that a user must be coerced into visiting a malicious website. The specific flaw exists within the way Webkit inserts an element into an editable container. Immediately before the actual insertion the library will manipulate the contents of the field in order to insert the new node. • http://lists.apple.com/archives/security-announce/2010//Jun/msg00002.html http://lists.apple.com/archives/security-announce/2010/Jun/msg00000.html http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html http://secunia.com/advisories/40105 http://secunia.com/advisories/40196 http://secunia.com/advisories/41856 http://secunia.com/advisories/43068 http://securitytracker.com/id?1024067 http://supp • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 10.0EPSS: 17%CPEs: 74EXPL: 0

WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, accesses uninitialized memory during a selection change on a form input element, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted HTML document. WebKit de Apple Safari anterior a v5.0 en Mac OS X v10.5 a v10.6 y Windows, y anterior a v4.1 en Mac OS X v10.4, accede a memoria no inicializada durante un cambio de selección en un elemento input de un formulario, lo cual permite a los atacantes remotos ejecutar código a su elección o causar una denegación de servicio (fallo de la aplicación) a través de documentos HTML manipulados. This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple's Webkit. User interaction is required in that a user must be coerced into viewing a website. The specific flaw exists within the way the library handles selections. If a particular element is selected by the application, an event can be triggered in order to interrupt execution handling a component of the selection. • http://lists.apple.com/archives/security-announce/2010//Jun/msg00002.html http://lists.apple.com/archives/security-announce/2010/Jun/msg00000.html http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html http://secunia.com/advisories/40105 http://secunia.com/advisories/40196 http://secunia.com/advisories/43068 http://securitytracker.com/id?1024067 http://support.apple.com/kb/HT4196 http://s • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •