{"id":137738,"date":"2025-06-21T11:12:23","date_gmt":"2025-06-21T09:12:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-18-s-ustraneniem-6-uyazvimostej"},"modified":"2025-06-21T11:12:23","modified_gmt":"2025-06-21T09:12:23","slug":"obnovlenie-x-org-server-21-1-18-s-ustraneniem-6-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/obnovlenie-x-org-server-21-1-18-s-ustraneniem-6-uyazvimostej","title":{"rendered":"Atualiza\u00e7\u00e3o do X.Org Server 21.1.18 com corre\u00e7\u00e3o de 6 vulnerabilidades","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foram publicados os lan\u00e7amentos corretivos do X.Org Server 21.1.17 e do componente DDX (Device-Dependent X) xwayland 24.1.7, que possibilita a execu\u00e7\u00e3o do X.Org Server para permitir a execu\u00e7\u00e3o de aplicativos X11 em ambientes baseados em Wayland. Na nova vers\u00e3o do X.Org Server, foram corrigidas 6 vulnerabilidades. Os problemas podem potencialmente ser explorados para eleva\u00e7\u00e3o de privil\u00e9gios em sistemas onde o X server \u00e9 executado com privil\u00e9gios de root, assim como para execu\u00e7\u00e3o remota de c\u00f3digo em configura\u00e7\u00f5es que utilizam redirecionamento de sess\u00e3o X11 via SSH.     <\/p>\n<p>Vulnerabilidades identificadas:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-49176 \u2014 estouro de inteiro que leva \u00e0 corrup\u00e7\u00e3o de mem\u00f3ria na implementa\u00e7\u00e3o da extens\u00e3o Big Requests, que permite o envio de requisi\u00e7\u00f5es superiores a 64 kilobytes. A vulnerabilidade se manifesta a partir do lan\u00e7amento do X11R6.0 (1994).\n<li class=\"l\"> CVE-2025-49179 \u2014 estouro de inteiro que leva \u00e0 corrup\u00e7\u00e3o de mem\u00f3ria na implementa\u00e7\u00e3o da extens\u00e3o X Record, ocorrendo ao enviar valores de n\u00famero de clientes ou intervalos muito grandes. A vulnerabilidade se manifesta a partir do lan\u00e7amento do X11R6.1 (1996).\n<li class=\"l\">  CVE-2025-49180 \u2014 estouro de inteiro que leva \u00e0 corrup\u00e7\u00e3o de mem\u00f3ria na implementa\u00e7\u00e3o da extens\u00e3o RandR. A vulnerabilidade se manifesta a partir do lan\u00e7amento 1.13 RC1 (2012).\n<li class=\"l\"> CVE-2025-49178 \u2014 possibilidade de criar uma situa\u00e7\u00e3o que leva ao bloqueio de requisi\u00e7\u00f5es de outros clientes. A vulnerabilidade se manifesta a partir do lan\u00e7amento do Xorg 1.10.0.\n<li class=\"l\"> CVE-2025-49175 \u2014 leitura de mem\u00f3ria fora dos limites do buffer na extens\u00e3o X Rendering, ocorrendo durante opera\u00e7\u00f5es com cursor animado. A vulnerabilidade se manifesta a partir do lan\u00e7amento do XFree86 4.3.0 (2003).\n<li class=\"l\"> CVE-2025-49177 \u2014 vazamento de dados na implementa\u00e7\u00e3o da extens\u00e3o XFIXES, causado pela falta de verifica\u00e7\u00e3o do tamanho da requisi\u00e7\u00e3o do cliente no manipulador XFixesSetClientDisconnectMode (o cliente pode enviar uma requisi\u00e7\u00e3o mais curta e ler os dados da requisi\u00e7\u00e3o anterior). A vulnerabilidade se manifesta a partir do lan\u00e7amento do Xorg Server 21.1 RC1 (2021).              <\/ul>\n<p>Adicional: Com rapidez, foram formados os lan\u00e7amentos do X.Org Server 21.1.18 e do xwayland 24.1.8, que incluem altera\u00e7\u00f5es adicionais para corrigir a vulnerabilidade CVE-2025-49176.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63423\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 X.Org Server 21.1.17 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 24.1.7, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0437\u0430\u043f\u0443\u0441\u043a X.Org Server \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f X11-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0432 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f\u0445 \u043d\u0430 \u0431\u0430\u0437\u0435 Wayland. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 X.Org Server \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 6 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0434\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 X-\u0441\u0435\u0440\u0432\u0435\u0440 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-137738","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" 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