{"id":182538,"date":"2026-07-08T10:54:06","date_gmt":"2026-07-08T08:54:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-24-xwayland-24-1-13-i-libxfont2-2-0-8-s-ustraneniem-uyazvimostej"},"modified":"2026-07-08T10:54:06","modified_gmt":"2026-07-08T08:54:06","slug":"obnovlenie-x-org-server-21-1-24-xwayland-24-1-13-i-libxfont2-2-0-8-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/obnovlenie-x-org-server-21-1-24-xwayland-24-1-13-i-libxfont2-2-0-8-s-ustraneniem-uyazvimostej","title":{"rendered":"X.Org Server 21.1.24, xwayland 24.1.13 ja libXfont2 2.0.8 uuendamine haavatavuste k\u00f5rvaldamiseks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Avaldati X.Org Server 21.1.24 ja DDX-komponendi (Device-Dependent X) xwayland 24.1.13 korrigeerivad v\u00e4ljaanded, mis v\u00f5imaldavad X.Org Serveri k\u00e4ivitamist X11-rakenduste teostamiseks Waylandi p\u00f5histes keskkondades. Uutes versioonides on k\u00f5rvaldatud 2 haavatavust, mida saab potentsiaalselt kasutada privileegide t\u00f5stmiseks s\u00fcsteemides, kus X-server t\u00f6\u00f6tab root'i \u00f5igustes, ning kaugkoodi k\u00e4ivitamiseks konfiguratsioonides, kus juurdep\u00e4\u00e4su jaoks kasutatakse X11 seansi edasi suunamist SSH kaudu.       <\/p>\n<p>Parandatud haavatavused:   <\/p>\n<ul>\n<li class=\"l\"> CVE-2026-55999 \u2014 puhverl\u00fckk laiene 2D-kiirenduse Glamor rakenduses, mis m\u00f5jutab glamor_font_get() funktsiooni, mis koostab fondi tekstuuride atlast, joonistades iga glyfi \u00fcldisesse puhvri. Probleem tuleneb sellest, et puhvri suurus m\u00e4\u00e4rati fondis m\u00e4\u00e4ratud parameetrite p\u00f5hjal, samas kui puhvri andmete rakendamisel kasutati iga glyfi individuaalseid m\u00f5\u00f5tmeid. Haavatavuse \u00e4rakasutamiseks saab r\u00fcndaja koostada spetsiaalselt vormindatud PCF-faili, milles on m\u00e4\u00e4ratud vale glyfi m\u00f5\u00f5tmed, mis \u00fcletavad neile eraldatud m\u00e4lu suurust. Puhverl\u00fckk tekib s\u00fcsteemides, mis kasutavad glamor tagasisidet (Xorg mode-setting juhtiga ja Xwayland) probleemse fondi teksti joonistamisel.\n<li class=\"l\"> CVE-2026-56000 \u2014 m\u00e4lu juurdep\u00e4\u00e4s p\u00e4rast selle vabastamist funktsioonis CommonMakeCurrent() GLX contextTags t\u00f6\u00f6tlemisel. Probleem tuleneb sellest, et realloc() funktsiooni kasutamisel liikus cl-&gt;contextTags massiivi andmed uude puhvri, kuid vanale puhvri viit hoiti endiselt aktiivsena. Puhvri nihutamiseks sai klient kasutada k\u00f5iki GLX-konteksti jaoks eraldatud massiivi elemente, seej\u00e4rel luua veel \u00fche t\u00e4iendava konteksti.       <\/ul>\n<p>Lisaks on v\u00e4lja antud libXfont 2.0.8 teek, mida kasutatakse X-serveris. Uuenduses on k\u00f5rvaldatud 3 haavatavust (CVE-2026-56001, CVE-2026-56002, CVE-2026-56003), mis p\u00f5hjustavad puhversettimist spetsiaalselt kujundatud PCF-formaadis fontide anal\u00fc\u00fcsimisel.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65863\">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 21.1.24 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 24.1.13, \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 2 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \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 \u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182538","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b 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