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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 •

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

Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation 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 involving the :first-letter pseudo-element. Vulnerabilidad de uso despues de liberacion en la implementación de las hojas de estilo en cascada (CSS) 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 que implican el pseudo-elemento :first-letter. 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 visit a website or open a malicious document. The specific flaw exists within the way Webkit implements the 'first-letter' css style. If a container with the first-color style has it's contents replaced with a particular element, the library will create a dual reference of the style in order to apply to its contents. • 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: 22%CPEs: 74EXPL: 0

Double 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 an event listener in an SVG document, related to duplicate event listeners, a timer, and an AnimateTransform object. Una vulnerabilidad de doble liberación 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 con un detector de eventos en un documento SVG, relacionado con detectores de eventos duplicados, un temporizador y un objeto AnimateTransform. This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple's Webkit. 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 how the application duplicates event listeners in .svg documents. Upon creating an AnimateTransform object, the library will create a timer to handle the transformation and duplicate the object's event listener into Webkit's "shadow tree" of the image. • 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: 13%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 the handling of a use element in an SVG document, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted document containing XML that triggers a parsing error, related to ProcessInstruction. 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, accede a la memoria no inicializada durante el manejo de un elemento de uso en un documento SVG, que permite a atacantes remotos ejecutar código arbitrario o causar una denegación de servicio (bloqueo de aplicación) por medio de un documento especialmente diseñado que contiene XML que desencadena un error de análisis relacionado con ProcessInstruction. This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple's Webkit. 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 with how WebKit inserts error messages into documents utilizing the SVG namespace. Upon a parsing error the library will attempt to access an element before repairing the XML. • 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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 10.0EPSS: 10%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 an SVG document that contains recursive Use elements, which are not properly handled during page deconstruction. 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 un documento SVG que contiene elementos de uso recursivo, que no se manejan apropiadamente durante la deconstrucción de la página. This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple's Webkit. 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 how the WebKit library handles recursively defined Use elements. Upon expanding the target of the use element within the tree, the application will create a dual-reference of a Use element. • 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 •