{"id":181859,"date":"2026-06-02T14:48:28","date_gmt":"2026-06-02T12:48:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-23-s-ustraneniem-9-uyazvimostej"},"modified":"2026-06-02T14:48:28","modified_gmt":"2026-06-02T12:48:28","slug":"obnovlenie-x-org-server-21-1-23-s-ustraneniem-9-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/obnovlenie-x-org-server-21-1-23-s-ustraneniem-9-uyazvimostej","title":{"rendered":"Mise \u00e0 jour de X.Org Server 21.1.23 corrigeant 9 vuln\u00e9rabilit\u00e9s","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Les mises \u00e0 jour correctives de X.Org Server 21.1.23 et du composant DDX (Device-Dependent X) xwayland 24.1.12 ont \u00e9t\u00e9 publi\u00e9es, permettant le lancement de X.Org Server pour ex\u00e9cuter des applications X11 dans des environnements bas\u00e9s sur Wayland. Dans ces nouvelles versions, 9 vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es. Certaines vuln\u00e9rabilit\u00e9s peuvent potentiellement \u00eatre exploit\u00e9es pour \u00e9lever les privil\u00e8ges dans les syst\u00e8mes o\u00f9 le serveur X s'ex\u00e9cute avec des droits root, ainsi que pour l'ex\u00e9cution de code \u00e0 distance dans des configurations o\u00f9 l'acc\u00e8s utilise la redirection de session X11 via SSH. <\/p>\n<p>Vuln\u00e9rabilit\u00e9s corrig\u00e9es (identifiants CVE non attribu\u00e9s) : <\/p>\n<ul>\n<li class=\"l\"> D\u00e9bordement de tampon lors du traitement des noms de polices alternatifs. Ce probl\u00e8me est caus\u00e9 par diff\u00e9rentes limitations de taille de nom de police dans la biblioth\u00e8que libXfont2 et le serveur X \u2014 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/\" title=\"serveur\" data-wpil-keyword-link=\"linked\">serveur<\/a> allouait 256 octets pour le nom, tandis que la biblioth\u00e8que permettait la transmission de noms de jusqu'\u00e0 1024 octets.\n<li class=\"l\">  Acc\u00e8s \u00e0 la m\u00e9moire apr\u00e8s sa lib\u00e9ration dans les fonctions miSyncDestroyFence(), FreeCounter() et SyncChangeCounter() en raison d'erreurs de mise \u00e0 jour des compteurs de r\u00e9f\u00e9rences.\n<li class=\"l\"> D\u00e9passement de tampon lors du traitement de certains types de touches dans XKB. Ce probl\u00e8me survient en raison d'un calcul incorrect de la taille de la table de codes de symboles.\n<li class=\"l\"> D\u00e9passement de tampon dans XKB, survenant lors du traitement des demandes SetMap en raison d'un d\u00e9faut de v\u00e9rification de la taille des donn\u00e9es fournies par le client.\n<li class=\"l\"> Lecture et \u00e9criture de donn\u00e9es en dehors des limites du tampon dans GLX en raison d'une v\u00e9rification incorrecte de la taille des attributs re\u00e7us de l'utilisateur dans la fonction ChangeDrawableAttributes.\n<li class=\"l\"> Acc\u00e8s \u00e0 la m\u00e9moire apr\u00e8s sa lib\u00e9ration, se produisant apr\u00e8s la modification des attributs de la fen\u00eatre et l'appel forc\u00e9 du gestionnaire d'\u00e9cran. Ce probl\u00e8me peut entra\u00eener une fuite du contenu de la m\u00e9moire du processus.\n<li class=\"l\"> \u00c9criture dans la m\u00e9moire au-del\u00e0 du tampon allou\u00e9 dans les fonctions DRI2 DRIGetBuffers et DRIGetBuffersWithFormat, survenant lors de la demande de plusieurs instances de DRI2BufferBackLeft, mais d'une seule instance de DRI2BufferFrontLeft.<br \/>\n<br \/>Source : <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65600\">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 21.1.23 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 24.1.12, \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\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b 9 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \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 \u043a\u043e\u0434\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181859","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 21.1.23 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 24.1.12, \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 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