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CVSS: 5.3EPSS: 0%CPEs: 1EXPL: 0

Content Security Policy combined with HTTP to HTTPS redirection can be used by malicious server to verify whether a known site is within a user's browser history. This vulnerability affects Firefox < 50. Content Security Policy, junto con la redirección HTTP a HTTPS, puede ser empleado por un servidor malicioso para verificar si un sitio conocido existe en el historial de navegación de un usuario. La vulnerabilidad afecta a Firefox en versiones anteriores a la 50. • http://www.securityfocus.com/bid/94337 http://www.securitytracker.com/id/1037298 https://bugzilla.mozilla.org/show_bug.cgi?id=1285003 https://www.mozilla.org/security/advisories/mfsa2016-89 • CWE-254: 7PK - Security Features •

CVSS: 9.8EPSS: 1%CPEs: 9EXPL: 0

An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50. Desbordamiento de enteros durante el análisis de XML mediante la biblioteca Expat. La vulnerabilidad afecta a Firefox en versiones anteriores a la 50. • http://www.securityfocus.com/bid/94337 http://www.securitytracker.com/id/1037298 http://www.securitytracker.com/id/1039427 https://bugzilla.mozilla.org/show_bug.cgi?id=1274777 https://www.debian.org/security/2017/dsa-3898 https://www.mozilla.org/security/advisories/mfsa2016-89 • CWE-190: Integer Overflow or Wraparound •

CVSS: 5.9EPSS: 0%CPEs: 4EXPL: 0

An existing mitigation of timing side-channel attacks is insufficient in some circumstances. This issue is addressed in Network Security Services (NSS) 3.26.1. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50. Una mitigación existente de los ataques de sincronización por canal lateral es insuficiente en determinadas circunstancias. Este problema se aborda en Network Security Services (NSS) 3.26.1. • http://www.securityfocus.com/bid/94341 http://www.securitytracker.com/id/1037298 https://bugzilla.mozilla.org/show_bug.cgi?id=1293334 https://security.gentoo.org/glsa/201701-15 https://security.gentoo.org/glsa/201701-46 https://www.debian.org/security/2016/dsa-3730 https://www.mozilla.org/security/advisories/mfsa2016-89 https://www.mozilla.org/security/advisories/mfsa2016-90 https://www.mozilla.org/security/advisories/mfsa2016-93 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 5.9EPSS: 0%CPEs: 2EXPL: 0

Add-on updates failed to verify that the add-on ID inside the signed package matched the ID of the add-on being updated. An attacker who could perform a man-in-the-middle attack on the user's connection to the update server and defeat the certificate pinning protection could provide a malicious signed add-on instead of a valid update. This vulnerability affects Firefox ESR < 45.5 and Firefox < 50. Las actualizaciones de add-ons no verifican si el ID de add-on en el paquete firmado coincide con el ID del add-on que se está ejecutando. Un atacante que pueda realizar un ataque Man-in-the-Middle (MitM) en la conexión del usuario al servidor de actualización y superar la protección de asignación de certificados podría proporcionar un add-on maliciosamente firmado en lugar de una actualización válida. • http://rhn.redhat.com/errata/RHSA-2016-2780.html http://www.securityfocus.com/bid/94336 http://www.securitytracker.com/id/1037298 https://bugzilla.mozilla.org/show_bug.cgi?id=1303418 https://security.gentoo.org/glsa/201701-15 https://www.mozilla.org/security/advisories/mfsa2016-89 https://www.mozilla.org/security/advisories/mfsa2016-90 https://access.redhat.com/security/cve/CVE-2016-9064 https://bugzilla.redhat.com/show_bug.cgi?id=1395060 • CWE-295: Improper Certificate Validation •

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

An error in argument length checking in JavaScript, leading to potential integer overflows or other bounds checking issues. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50. Un error en la comprobación de lógica de argumentos en JavaScript conduce a potenciales desbordamientos de enteros u otros problemas de comprobación de límites. La vulnerabilidad afecta a Thunderbird en versiones anteriores a la 45.5, Firefox ESR en versiones anteriores a la 45.5 y Firefox en versiones anteriores a la 50. • http://rhn.redhat.com/errata/RHSA-2016-2780.html http://www.securityfocus.com/bid/94336 http://www.securitytracker.com/id/1037298 https://bugzilla.mozilla.org/show_bug.cgi?id=1303678 https://security.gentoo.org/glsa/201701-15 https://www.debian.org/security/2016/dsa-3730 https://www.mozilla.org/security/advisories/mfsa2016-89 https://www.mozilla.org/security/advisories/mfsa2016-90 https://www.mozilla.org/security/advisories/mfsa2016-93 https://access.redhat.com/security/cve&#x • CWE-190: Integer Overflow or Wraparound •