{"id":20090,"date":"2026-10-26T15:52:25","date_gmt":"2026-10-26T15:52:25","guid":{"rendered":"https:\/\/www.protectimus.com\/?p=20090"},"modified":"2026-10-27T09:56:26","modified_gmt":"2026-10-27T09:56:26","slug":"java-security-update-cve-2026-91403","status":"publish","type":"post","link":"https:\/\/www.protectimus.com\/es\/java-security-update-cve-2026-91403\/","title":{"rendered":"CVE-2026-91403: Actualizaci\u00f3n de Java para Protectimus On-Premise MFA Platform"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Recomendamos a los clientes que utilizan <a href=\"https:\/\/www.protectimus.com\/es\/platform\/\">Protectimus On-Premise MFA Platform<\/a> actualizar Java para corregir la vulnerabilidad <a target=\"_blank\" href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/cve-2026-91403\" target=\"_blank\" rel=\"noopener\">CVE-2026-91403<\/a>, relacionada con los certificados intermedios de eMudhra\/emSign que se han visto comprometidos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A continuaci\u00f3n, explicamos c\u00f3mo actualizar Java y qu\u00e9 hacer si no es posible instalar la actualizaci\u00f3n de inmediato.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>C\u00f3mo actualizar Java para corregir la vulnerabilidad CVE-2026-91403<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Actualice Java a una versi\u00f3n que incluya la correcci\u00f3n de CVE-2026-91403 (relacionada con los certificados intermedios de eMudhra\/emSign que se han visto comprometidos). Puede utilizar una versi\u00f3n de Java de cualquier proveedor (Oracle JDK, Eclipse Temurin, Amazon Corretto, etc.), siempre que se haya publicado despu\u00e9s del 21 de octubre de 2026 e incluya la correcci\u00f3n. Consulte las notas de la versi\u00f3n del proveedor y compruebe si incluyen referencias a CVE-2026-91403 o eMudhra.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Instalaci\u00f3n de Oracle JRE 8 en Windows<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li>Abra la p\u00e1gina <a target=\"_blank\" href=\"https:\/\/www.oracle.com\/java\/technologies\/downloads\/\">Download the Latest Java LTS Free<\/a>.<\/li>\n\n\n\n<li>Seleccione la pesta\u00f1a <strong>Java 21<\/strong>, despu\u00e9s <strong>JRE 8<\/strong> y, por \u00faltimo, <strong>Windows<\/strong>.<\/li>\n\n\n\n<li>Descargue el <strong>x64 Installer<\/strong> (.exe) o el <strong>x64 MSI Installer<\/strong> (.msi).<\/li>\n\n\n\n<li>Ejecute el instalador y complete la instalaci\u00f3n.<\/li>\n\n\n\n<li>Aseg\u00farese de que las variables de entorno\n<br><br>\n<code>JAVA_HOME<\/code>\ny\n<br><br>\n<code>PATH<\/code>\napunten a la versi\u00f3n de Java reci\u00e9n instalada y no a la anterior.<\/li>\n\n<br>\n\n<li>Abra una nueva ventana del s\u00edmbolo del sistema y ejecute el comando\n<br><br>\n<code>java -version<\/code>\n<br>\nCompruebe que la versi\u00f3n mostrada coincide con la que ha descargado.<\/li>\n\n<br>\n\n<li><strong>Reinicie Protectimus Platform<\/strong> para que utilice la versi\u00f3n actualizada de Java.<\/li>\n\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Qu\u00e9 hacer si no puede actualizar Java ahora<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si no es posible actualizar Java de inmediato, puede aplicar una soluci\u00f3n manual para reducir temporalmente el riesgo asociado a la vulnerabilidad, sin instalar una nueva versi\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para ello, siga estas instrucciones: <a target=\"_blank\" href=\"https:\/\/ops.java\/emudhra\">Distrusting eMudhra Intermediate Certificates in Oracle JDK<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tenga en cuenta que esta es una soluci\u00f3n temporal. Recomendamos actualizar Java a una versi\u00f3n que incluya la correcci\u00f3n de la vulnerabilidad.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recomendamos a los clientes que utilizan Protectimus On-Premise MFA Platform actualizar Java para corregir la vulnerabilidad CVE-2026-91403, relacionada con los certificados intermedios de eMudhra\/emSign que se han visto comprometidos. A continuaci\u00f3n, explicamos c\u00f3mo actualizar Java y qu\u00e9 hacer si no es posible instalar la actualizaci\u00f3n de inmediato. C\u00f3mo actualizar Java para corregir la vulnerabilidad CVE-2026-91403 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":20072,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[166],"tags":[],"class_list":["post-20090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"C\u00f3mo corregir la vulnerabilidad CVE-2026-91403 en Java para Protectimus On-Premise MFA Platform. 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