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CVSS: 4.3EPSS: 88%CPEs: 23EXPL: 2

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 does not prevent acquisition of chrome privileges during calls to content level constructors, which allows remote attackers to bypass certain read-only restrictions and conduct cross-site scripting (XSS) attacks via a crafted web site. La implementación Chrome Object Wrapper (COW) en Mozilla Firefox anterior a v21.0, Firefox ESR v17.x anterior a v17.0.6, Thunderbird anterior a v17.0.6, y Thunderbird ESR v17.x anterior a v17.0.6 no previene la adquisición de los privilegios de chrome durante las llamadas al contenido de los constructores, lo que permite a atacantes remotos eludir ciertas restricciones de solo lectura y llevar a cabo ataques de tipo XSS (cross-site-scripting) mediante un sitio web especialmente diseñado. • https://www.exploit-db.com/exploits/34363 http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html http://rhn.redhat.com/errata/RHSA-2013-0820.html http://rhn.redhat.com/errata/ • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 9.3EPSS: 6%CPEs: 23EXPL: 0

Use-after-free vulnerability in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code via vectors involving an onresize event during the playing of a video. Vulnerabilidad de tipo "usar despues de liberar" en Mozilla Firefox anterior a v21.0, Firefox ESR v17.x anterior a v17.0.6, Thunderbird anterior a v17.0.6, y Thunderbird ESR v17.x anterior a v17.0.6 permite a atacantes remotos ejecutar código arbitrario mediante vectores comprendiendo u evento onresize durante la reproducción de un vídeo. • http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html http://rhn.redhat.com/errata/RHSA-2013-0820.html http://rhn.redhat.com/errata/RHSA-2013-0821.html http://www.debian.org&#x • CWE-399: Resource Management Errors CWE-416: Use After Free •

CVSS: 10.0EPSS: 9%CPEs: 23EXPL: 0

The gfxSkipCharsIterator::SetOffsets function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via unspecified vectors. La función gfxSkipCharsIterator::SetOffsets en Mozilla Firefox anterior a v21.0, Firefox ESR v17.x anterior a v17.0.6, Thunderbird anterior a v17.0.6, y Thunderbird ESR v17.x anterior a v17.0.6 permite a atacantes remotos ejecutar código arbitrario o causar una denegación de servicio mediante vectores no especificados. • http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html http://rhn.redhat.com/errata/RHSA-2013-0820.html http://rhn.redhat.com/errata/RHSA-2013-0821.html http://www.debian.org&#x • CWE-399: Resource Management Errors •

CVSS: 10.0EPSS: 8%CPEs: 23EXPL: 0

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors. Múltiples vulnerabilidades no especificadas en el motor del navegador de Mozilla Firefox anterior a v21.0, Firefox ESR v17.x anterior a v17.0.6, Thunderbird anterior a v17.0.6, y Thunderbird ESR v17.x anterior a v17.0.6 permite a atacantes remotos provocar una denegación de servicio (corrupción de memoria y caída de la aplicación) o posiblemente ejecutar código arbitrario a través de vectores desconocidos. • http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html http://rhn.redhat.com/errata/RHSA-2013-0820.html http://rhn.redhat.com/errata/RHSA-2013-0821.html http://www.debian.org&#x •

CVSS: 10.0EPSS: 9%CPEs: 23EXPL: 0

Use-after-free vulnerability in the nsContentUtils::RemoveScriptBlocker function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors. Vulnerabilidad "usar después de liberar" en la función nsContentUtils::RemoveScriptBlocker en Mozilla Firefox anterior a v21.0, Firefox ESR v17.x anterior a v17.0.6, Thunderbird anterior a v17.0.6, y Thunderbird ESR v17.x anterior a v17.0.6 permite a atacantes remotos ejecutar código arbitrario o causar una denegación de servicio (corrupción de memoria dinámica) mediante vectores desconocidos. • http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html http://rhn.redhat.com/errata/RHSA-2013-0820.html http://rhn.redhat.com/errata/RHSA-2013-0821.html http://www.debian.org&#x • CWE-399: Resource Management Errors •