
CVE-2017-5451 – Mozilla: Addressbar spoofing with onblur event (MFSA 2017-12)
https://notcve.org/view.php?id=CVE-2017-5451
21 Apr 2017 — A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53. Mecanismo para suplantar la barra de direcciones mediante interacción del usuario en la barra de direcciones y el evento "onblur". El evento podría ser utilizado po... • http://www.securityfocus.com/bid/97940 • CWE-20: Improper Input Validation •

CVE-2017-5454 – Mozilla: Sandbox escape allowing file system read access through file picker (MFSA 2017-12)
https://notcve.org/view.php?id=CVE-2017-5454
21 Apr 2017 — A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file picker through the use of relative paths. This allows for read only access to the local file system. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53. Mecanismo para omitir las protecciones de acceso al sistema de archivos en el sandbox para emplear el picker de archivos para acceder a diferentes archivos que los seleccionados... • http://www.securityfocus.com/bid/97940 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVE-2017-5466 – Mozilla: Origin confusion when reloading isolated data:text/html URL (MFSA 2017-12)
https://notcve.org/view.php?id=CVE-2017-5466
21 Apr 2017 — If a page is loaded from an original site through a hyperlink and contains a redirect to a "data:text/html" URL, triggering a reload will run the reloaded "data:text/html" page with its origin set incorrectly. This allows for a cross-site scripting (XSS) attack. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53. Si se carga una página desde un sitio original mediante un hipervínculo y contiene una redirección a una URL "data:text/html", desencadenar una recarga ejecutará la... • http://www.securityfocus.com/bid/97940 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVE-2017-5467 – Mozilla: Memory corruption when drawing Skia content (MFSA 2017-12)
https://notcve.org/view.php?id=CVE-2017-5467
21 Apr 2017 — A potential memory corruption and crash when using Skia content when drawing content outside of the bounds of a clipping region. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53. Corrupción de memoria y cierre inesperado potencial al emplear el contenido Skia cuando se dibuja contenido fuera de los límites de una región de recorte. La vulnerabilidad afecta a Thunderbird en versiones anteriores a la 52.1, Firefox ESR en versiones anteriores a la 52.1 y Firefox en versiones ... • http://www.securityfocus.com/bid/97940 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2017-5469 – Mozilla: Potential Buffer overflow in flex-generated code (MFSA 2017-11, MFSA 2017-12)
https://notcve.org/view.php?id=CVE-2017-5469
20 Apr 2017 — Fixed potential buffer overflows in generated Firefox code due to CVE-2016-6354 issue in Flex. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53. Se han solucionado potenciales desbordamientos de búfer en el código Firefox generado debido a un problema CVE-2016-6354 en Flex. La vulnerabilidad afecta a Thunderbird en versiones anteriores a la 52.1, Firefox ESR en versiones anteriores a la 45.9, Firefox en versiones anteriores a la 52.1 y Firefox en versio... • http://www.securityfocus.com/bid/97940 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2017-5448 – Mozilla Firefox ClearKeyDecryptor Integer Overflow Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2017-5448
20 Apr 2017 — An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53. Escritura fuera de límites en "ClearKeyDecryptor" mientras se descodifi... • http://www.securityfocus.com/bid/97940 • CWE-787: Out-of-bounds Write •

CVE-2017-5440 – Mozilla: Use-after-free in txExecutionState destructor during XSLT processing (MFSA 2017-11, MFSA 2017-12)
https://notcve.org/view.php?id=CVE-2017-5440
20 Apr 2017 — A use-after-free vulnerability during XSLT processing due to a failure to propagate error conditions during matching while evaluating context, leading to objects being used when they no longer exist. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53. Vulnerabilidad de uso de memoria previamente liberada durante el procesamiento XSLT debido al error para propagar condiciones de error durante el proceso de b... • http://www.securityfocus.com/bid/97940 • CWE-416: Use After Free •

CVE-2017-5445 – Mozilla: Uninitialized values used while parsing application/http-index-format content (MFSA 2017-11, MFSA 2017-12)
https://notcve.org/view.php?id=CVE-2017-5445
20 Apr 2017 — A vulnerability while parsing "application/http-index-format" format content where uninitialized values are used to create an array. This could allow the reading of uninitialized memory into the arrays affected. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53. Vulnerabilidad al analizar contenido de formato "application/http-index-format" en el que se emplean variables no inicializadas para crear un array. Esto podría permitir la lectura de memoria no ... • http://www.securityfocus.com/bid/97940 • CWE-129: Improper Validation of Array Index •

CVE-2017-5429 – Mozilla: Memory safety bugs fixed in Firefox 53, Firefox ESR 45.9, and Firefox ESR 52.1 (MFSA 2017-11, MFSA 2017-12)
https://notcve.org/view.php?id=CVE-2017-5429
20 Apr 2017 — Memory safety bugs were reported in Firefox 52, Firefox ESR 45.8, Firefox ESR 52, and Thunderbird 52. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53. Se han reportado errores de seguridad de memoria en Firefox 52, Firefox ESR 45.8, Firefox ESR 52 y Thunderbird 52. Algunos de estos errores mostraron... • http://www.securityfocus.com/bid/97940 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2017-5441 – Mozilla: Use-after-free with selection during scroll events (MFSA 2017-11, MFSA 2017-12)
https://notcve.org/view.php?id=CVE-2017-5441
20 Apr 2017 — A use-after-free vulnerability when holding a selection during scroll events. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53. Vulnerabilidad de uso de memoria previamente liberada al mantener una selección durante los eventos de desplazamiento. Esto resulta en un cierre inesperado potencialmente explotable. • http://www.securityfocus.com/bid/97940 • CWE-416: Use After Free •