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CVSS: 9.8EPSS: 3%CPEs: 18EXPL: 1

10 Aug 2017 — A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while still bound to the document. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55. Puede ocurrir una vulnerabilidad de uso de memoria previamente liberada cuando un nodo DOM editor se borra de manera prematura durante el salto de árbol cuando aún sigue vinculado al documento. Esto resulta en un cierre inesperado ex... • http://www.securityfocus.com/bid/100203 • CWE-416: Use After Free •

CVSS: 9.8EPSS: 4%CPEs: 1EXPL: 0

15 Jun 2017 — Memory safety bugs were reported in Firefox 53. 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 Firefox < 54. Se han reportado errores de seguridad de memoria en Firefox 53. Algunos de estos errores mostraron evidencias de corrupción de memoria y se entiende que, con el suficiente esfuerzo, algunos de estos podrían explotarse para ejecutar código arbitrario. • http://www.securityfocus.com/bid/99042 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 0%CPEs: 7EXPL: 1

15 Jun 2017 — When entered directly, Reader Mode did not strip the username and password section of URLs displayed in the addressbar. This can be used for spoofing the domain of the current page. This vulnerability affects Firefox < 54. Al acceder a él directamente, Reader Mode no eliminó la sección de nombre de usuario y contraseña de las URL mostradas en la barra de direcciones. Esto puede emplearse para suplantar el dominio de la página actual. • http://www.securityfocus.com/bid/99047 • CWE-20: Improper Input Validation CWE-290: Authentication Bypass by Spoofing •

CVSS: 9.8EPSS: 3%CPEs: 18EXPL: 0

14 Jun 2017 — Memory safety bugs were reported in Firefox 53 and Firefox ESR 52.1. 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 Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. Se han reportado errores de seguridad de memoria en Firefox 53 y Firefox ESR 52.1. Algunos de estos errores mostraron evidencias de corrupción de memoria y se entiende que, con el suficiente esfuerzo, a... • http://www.securityfocus.com/bid/99041 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 9.8EPSS: 3%CPEs: 18EXPL: 0

14 Jun 2017 — A use-after-free vulnerability with the frameloader during tree reconstruction while regenerating CSS layout when attempting to use a node in the tree that no longer exists. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. Vulnerabilidad de uso de memoria previamente liberada en el frameloader durante la reconstrucción de árboles cuando se regenera el diseño CSS al intentar emplear un nodo en el árbol que ya no existe. Esto... • http://www.securityfocus.com/bid/99040 • CWE-416: Use After Free •

CVSS: 9.8EPSS: 3%CPEs: 18EXPL: 0

14 Jun 2017 — A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. Vulnerabilidad de uso de memoria previamente liberada al emplear una URL incorrecta durante la recarga de un docshell. Esto resulta en un cierre inesperado potencialmente explotable. • http://www.securityfocus.com/bid/99057 • CWE-416: Use After Free •

CVSS: 9.8EPSS: 3%CPEs: 18EXPL: 1

14 Jun 2017 — A use-after-free vulnerability during video control operations when a "" element holds a reference to an older window if that window has been replaced in the DOM. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. Vulnerabilidad de uso de memoria previamente liberada durante las operaciones de control de vídeo cuando un elemento "" mantiene una referencia a una ventana más antigua si esa ventana ha sido reemplazada en ... • http://www.securityfocus.com/bid/99057 • CWE-416: Use After Free •

CVSS: 9.8EPSS: 3%CPEs: 18EXPL: 1

14 Jun 2017 — A use-after-free vulnerability with content viewer listeners that results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. Vulnerabilidad de uso de memoria previamente liberada en los escuchadores del visor de contenido que resulta en un cierre inesperado potencialmente explotable. La vulnerabilidad afecta a Firefox en versiones anteriores a la 54, Firefox ESR en versiones anteriores a la 52.2 y Thunderbird en versiones anteriores a la ... • http://www.securityfocus.com/bid/99057 • CWE-416: Use After Free •

CVSS: 8.8EPSS: 0%CPEs: 18EXPL: 0

14 Jun 2017 — A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages due to how events are handled. This results in a potentially exploitable crash but would require specific user interaction to trigger. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. Vulnerabilidad de uso de memoria previamente liberada durante interacciones de usuario específicas con el IME (input method editor) en algunos lenguajes debido a la forma en ... • http://www.securityfocus.com/bid/99057 • CWE-416: Use After Free •

CVSS: 7.5EPSS: 1%CPEs: 18EXPL: 1

14 Jun 2017 — An out-of-bounds read in WebGL with a maliciously crafted "ImageInfo" object during WebGL operations. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. Lectura fuera de límites en WebGL con un objeto "ImageInfo" maliciosamente manipulado durante las operaciones WebGL. La vulnerabilidad afecta a Firefox en versiones anteriores a la 54, Firefox ESR en versiones anteriores a la 52.2 y Thunderbird en versiones anteriores a la 52.2. Multiple security issues were discovered in F... • http://www.securityfocus.com/bid/99057 • CWE-125: Out-of-bounds Read •