{"id":122099,"date":"2025-02-26T14:22:10","date_gmt":"2025-02-26T12:22:10","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-16-s-ustraneniem-8-uyazvimostej"},"modified":"2025-02-26T14:22:10","modified_gmt":"2025-02-26T12:22:10","slug":"obnovlenie-x-org-server-21-1-16-s-ustraneniem-8-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/obnovlenie-x-org-server-21-1-16-s-ustraneniem-8-uyazvimostej","title":{"rendered":"Update of X.Org Server 21.1.16 with the elimination of 8 vulnerabilities","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Der er udgivet rettelser til X.Org Server 21.1.16 og DDX-komponenten (Device-Dependent X) xwayland 24.1.6, der muligg\u00f8r k\u00f8rsel af X.Org Server for at facilitere udf\u00f8relse af X11-applikationer i Wayland-baserede milj\u00f8er. I den nye version af X.Org Server er otte s\u00e5rbarheder blevet rettet. Problemerne kan potentielt udnyttes til at opn\u00e5 forh\u00f8jede privilegier i systemer, hvor X-serveren k\u00f8rer med root-rettigheder, samt til fjernudf\u00f8rsel af kode i konfigurationer, hvor adgangen opn\u00e5s via omdirigering af X11-sessioner ved hj\u00e6lp af SSH.     <\/p>\n<p>Identificerede s\u00e5rbarheder:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-26594 \u2014 adgang til allerede frigivet hukommelse (Use-after-free) i h\u00e5ndteringen af cursoren for hovedvinduet. S\u00e5rbarheden er til stede siden f\u00f8r udgivelsen af X11R6.6 i 2001.\n<li class=\"l\"> CVE-2025-26595 \u2014 buffer overflow i funktionen XkbVModMaskText(), for\u00e5rsaget af kopiering af navne til virtuelle modifikatorer til en fast buffer uden tilstr\u00e6kkelig st\u00f8rrelseskontrol. S\u00e5rbarheden er til stede siden X11R6.1 (1996).\n<li class=\"l\"> CVE-2025-26596 \u2014 buffer overflow i funktionen XkbWriteKeySyms(), relateret til, at st\u00f8rrelsen beregnet af funktionen XkbSizeKeySyms() ikke svarede til st\u00f8rrelsen af de data, der blev skrevet af funktionen XkbWriteKeySyms(). S\u00e5rbarheden er til stede fra f\u00f8rste version af xkb.c, der indgik i X11R6 (1994).\n<li class=\"l\"> CVE-2025-26597 \u2014 buffer overflow i funktionen XkbChangeTypesOfKey() p\u00e5 grund af brugen af en forkert st\u00f8rrelse for teckenkodetabellen. S\u00e5rbarheden er til stede siden udgivelsen af X11R6.1 (1996).\n<li class=\"l\"> CVE-2025-26598 \u2014 adgang til data uden for bufferens gr\u00e6nser i funktionen CreatePointerBarrierClient(), for\u00e5rsaget af en forkert indeksvending i listen ved et mislykket fors\u00f8g p\u00e5 at finde pegerenhed. S\u00e5rbarheden er til stede siden xorg-server 1.14.0 (2013).\n<li class=\"l\"> CVE-2025-26599 \u2014 adgang via en ikke-initialiseret peger i funktionen compRedirectWindow() ved manglende hukommelse til at allokere bitmap. S\u00e5rbarheden er til stede siden Xorg 6.8.0 (2004).\n<li class=\"l\"> CVE-2025-26600 \u2014 adgang til allerede frigivet hukommelse i funktionen PlayReleasedEvents() ved udtr\u00e6kning af en h\u00e6ngende enhed, for hvilken der er ubehandlede h\u00e6ndelser. S\u00e5rbarheden er til stede siden X11R5 (1991).\n<li class=\"l\">CVE-2025-26601 \u2014 adgang til allerede frigivet hukommelse i funktionen SyncInitTrigger(). S\u00e5rbarheden er til stede siden X11R6 (1994).  <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62795\">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 21.1.16 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 24.1.6, \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 8 \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 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