{"id":168785,"date":"2026-04-15T11:12:00","date_gmt":"2026-04-15T09:12:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-22-s-ustraneniem-5-uyazvimostej"},"modified":"2026-04-15T11:12:00","modified_gmt":"2026-04-15T09:12:00","slug":"obnovlenie-x-org-server-21-1-22-s-ustraneniem-5-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/obnovlenie-x-org-server-21-1-22-s-ustraneniem-5-uyazvimostej","title":{"rendered":"X.Org Server 21.1.22 friss\u00edt\u00e9se, \u00f6t sebezhet\u0151s\u00e9g jav\u00edt\u00e1s\u00e1val.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelentek a X.Org Server 21.1.22 \u00e9s a DDX \u00f6sszetev\u0151 (Device-Dependent X) xwayland 24.1.10 jav\u00edt\u00f3kiad\u00e1sai, amelyek lehet\u0151v\u00e9 teszik a X.Org Server ind\u00edt\u00e1s\u00e1t az X11-alkalmaz\u00e1sok Wayland-alap\u00fa k\u00f6rnyezetben t\u00f6rt\u00e9n\u0151 futtat\u00e1s\u00e1hoz. Az \u00faj verzi\u00f3kban 5 sebezhet\u0151s\u00e9get jav\u00edtottak. N\u00e9h\u00e1ny sebezhet\u0151s\u00e9g potenci\u00e1lisan kihaszn\u00e1lhat\u00f3 lehet a privilegiz\u00e1lt hozz\u00e1f\u00e9r\u00e9s megszerz\u00e9s\u00e9re olyan rendszerekben, ahol a X-szerver root jogokkal fut, valamint t\u00e1voli k\u00f3dv\u00e9grehajt\u00e1sra olyan konfigur\u00e1ci\u00f3kban, ahol az SSH-n kereszt\u00fcl t\u00f6rt\u00e9nik az X11 munkamenet \u00e1tvitele.       <\/p>\n<p>Jav\u00edtott sebezhet\u0151s\u00e9gek:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2026-34001 \u2014 mem\u00f3ria ut\u00e1n val\u00f3 hozz\u00e1f\u00e9r\u00e9s (Use-after-free) a miSyncTriggerFence() funkci\u00f3ban. A sebezhet\u0151s\u00e9g az xorg-server 1.9.0 (2010) kiad\u00e1s\u00e1t\u00f3l jelentkezik.\n<li class=\"l\"> CVE-2026-33999 \u2014 eg\u00e9sz sz\u00e1m\u00fa alulcsordul\u00e1s (underflow) az XkbSetCompatMap() funkci\u00f3ban, amely speci\u00e1lisan form\u00e1zott k\u00e9r\u00e9sek feldolgoz\u00e1sa sor\u00e1n adatok olvas\u00e1s\u00e1hoz vezet a pufferen k\u00edv\u00fcli ter\u00fcletr\u0151l. A sebezhet\u0151s\u00e9g az X11R6.6 (2001) kiad\u00e1s\u00e1t\u00f3l jelentkezik.\n<li class=\"l\"> CVE-2026-34000 \u2014 pufferen k\u00edv\u00fcli olvas\u00e1s az XkbAddGeomKeyAlias funkci\u00f3ban, amely a megadott billenty\u0171 neve \u00e9s a kiosztott puffer m\u00e9ret\u00e9nek \u00f6sszeegyeztet\u00e9se hi\u00e1nya miatt k\u00f6vetkezik be. A sebezhet\u0151s\u00e9g az xorg-server 21.1.4 \u00e9s xwayland 22.1.3 (2022) kiad\u00e1sait\u00f3l jelentkezik.\n<li class=\"l\"> CVE-2026-34002 \u2014 pufferen k\u00edv\u00fcli olvas\u00e1s a CheckModifierMap() funkci\u00f3ban, a k\u00e9r\u00e9sben megadott billenty\u0171k sz\u00e1ma \u00e9s a t\u00e9nylegesen \u00e1tadott param\u00e9terek sz\u00e1ma k\u00f6z\u00f6tti \u00f6sszeegyeztet\u00e9si hi\u00e1ny miatt. A sebezhet\u0151s\u00e9g az X11R6.6 (2001) kiad\u00e1s\u00e1t\u00f3l jelentkezik.\n<li class=\"l\"> CVE-2026-34003 \u2014 puffert\u00fall\u00e9p\u00e9s az XKB CheckKeyTypes() funkci\u00f3j\u00e1ban, amely pufferen k\u00edv\u00fcli adatok olvas\u00e1s\u00e1hoz vezet a k\u00e9r\u00e9sben megadott adatok \u00e9s a puffer m\u00e9ret\u00e9nek \u00f6sszeegyeztet\u00e9se hi\u00e1ny\u00e1ban. A sebezhet\u0151s\u00e9g az X11R6.6 (2001) kiad\u00e1s\u00e1t\u00f3l jelentkezik.    <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65210\">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 21.1.22 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 24.1.10, \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 5 \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-168785","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\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b 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