{"id":163928,"date":"2026-03-11T17:11:54","date_gmt":"2026-03-11T15:11:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/10-uyazvimostej-v-gstreamer-privodyashhih-k-udalyonnomu-vypolneniyu-koda"},"modified":"2026-03-11T17:11:54","modified_gmt":"2026-03-11T15:11:54","slug":"10-uyazvimostej-v-gstreamer-privodyashhih-k-udalyonnomu-vypolneniyu-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/10-uyazvimostej-v-gstreamer-privodyashhih-k-udalyonnomu-vypolneniyu-koda","title":{"rendered":"10 zranitelnost\u00ed v GStreamer, vedouc\u00edch k vzd\u00e1len\u00e9mu spu\u0161t\u011bn\u00ed k\u00f3du","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>V multimedi\u00e1ln\u00edm r\u00e1mci GStreamer, pou\u017e\u00edvan\u00e9m v GNOME, bylo zji\u0161t\u011bno 10 zranitelnost\u00ed, z nich\u017e v\u0161echny jsou ozna\u010deny jako umo\u017e\u0148uj\u00edc\u00ed vzd\u00e1len\u00e9 spu\u0161t\u011bn\u00ed k\u00f3du p\u0159i zpracov\u00e1n\u00ed neplatn\u011b form\u00e1tovan\u00fdch multimedi\u00e1ln\u00edch dat ve form\u00e1tech AVI, RTP, H.266, JPEG, ASF a RealMedia, stejn\u011b jako titulk\u016f DVB-SUB. Dvou probl\u00e9m\u016fm byla p\u0159i\u0159azena \u00farove\u0148 z\u00e1va\u017enosti 8.8 z 10, zat\u00edmco ostatn\u00ed maj\u00ed 7.8. Osm zranitelnost\u00ed vede k z\u00e1pisu dat mimo vyrovn\u00e1vac\u00ed pam\u011b\u0165 a dv\u011b k p\u0159ete\u010den\u00ed cel\u00fdch \u010d\u00edsel.    <\/p>\n<ul>\n<li class=\"l\"> CVE-2026-3085, CVE-2026-3083 \u2014 p\u0159ete\u010den\u00ed vyrovn\u00e1vac\u00ed pam\u011bti v pluginu rtp, vznikaj\u00edc\u00ed kv\u016fli nedostate\u010dn\u00e9 kontrole velikosti a dat p\u0159i zpracov\u00e1n\u00ed pol\u00ed X-QDM RTP.\n<li class=\"l\"> CVE-2026-2923 \u2014 p\u0159ete\u010den\u00ed vyrovn\u00e1vac\u00ed pam\u011bti p\u0159i zpracov\u00e1n\u00ed nespr\u00e1vn\u00fdch sou\u0159adnic v titulc\u00edch DVB-SUB.\n<li class=\"l\"> CVE-2026-3081 \u2014 p\u0159ete\u010den\u00ed vyrovn\u00e1vac\u00ed pam\u011bti kv\u016fli nespr\u00e1vn\u00e9 kontrole velikosti struktur p\u0159i anal\u00fdze form\u00e1tu H.266 (VVC, Versatile Video Coding).\n<li class=\"l\"> CVE-2026-3082 \u2014 p\u0159ete\u010den\u00ed vyrovn\u00e1vac\u00ed pam\u011bti kv\u016fli absenci adekv\u00e1tn\u00edch kontrol velikosti p\u0159i anal\u00fdze Huffmanov\u00fdch tabulek v obr\u00e1zc\u00edch JPEG.\n<li class=\"l\"> CVE-2026-2920 \u2014 p\u0159ete\u010den\u00ed vyrovn\u00e1vac\u00ed pam\u011bti kv\u016fli absenci adekv\u00e1tn\u00edch kontrol velikosti p\u0159i anal\u00fdze hlavi\u010dek multimedi\u00e1ln\u00edch kontejner\u016f ve form\u00e1tu ASF.\n<li class=\"l\"> CVE-2026-2922 \u2014 p\u0159ete\u010den\u00ed vyrovn\u00e1vac\u00ed pam\u011bti kv\u016fli nespr\u00e1vn\u00e9 kontrole struktur p\u0159i anal\u00fdze multimedi\u00e1ln\u00edch kontejner\u016f ve form\u00e1tu RealMedia.\n<li class=\"l\"> CVE-2026-2921 \u2014 p\u0159ete\u010den\u00ed cel\u00e9ho \u010d\u00edsla p\u0159i anal\u00fdze RIFF blok\u016f s paletou ve souborech AVI.\n<li class=\"l\"> CVE-2026-3084 \u2014 p\u0159ete\u010den\u00ed cel\u00e9ho \u010d\u00edsla v implementaci kodeku H.266 p\u0159i anal\u00fdze sekc\u00ed s obr\u00e1zky.\n<li class=\"l\"> CVE-2026-3086 \u2014 p\u0159ete\u010den\u00ed vyrovn\u00e1vac\u00ed pam\u011bti v implementaci kodeku H.266 p\u0159i anal\u00fdze blok\u016f APS.  <\/ul>\n<p>Knihovna GStreamer se pou\u017e\u00edv\u00e1 k anal\u00fdze multimedi\u00e1ln\u00edch soubor\u016f v aplikac\u00edch Nautilus (GNOME Files), GNOME Videos a Rhythmbox, stejn\u011b jako v projektu GNOME vyv\u00edjen\u00e9m vyhled\u00e1va\u010di localsearch (d\u0159\u00edve naz\u00fdvan\u00e9m tracker-miners). Tento motor je instalov\u00e1n ve mnoha distribuc\u00edch jako z\u00e1vislost na bal\u00ed\u010dku tracker-extract, kter\u00fd se pou\u017e\u00edv\u00e1 v GNOME k automatick\u00e9 anal\u00fdze metadat v nov\u00fdch souborech. Mimo jin\u00e9 tento servis indexuje v\u0161echny soubory v dom\u00e1c\u00edm adres\u00e1\u0159i bez jak\u00fdchkoli z\u00e1sah\u016f od u\u017eivatele. T\u00edm p\u00e1dem, aby do\u0161lo k \u00fatoku, sta\u010d\u00ed vytvo\u0159it speci\u00e1ln\u011b upraven\u00fd multimedi\u00e1ln\u00ed soubor v u\u017eivatelsk\u00e9m adres\u00e1\u0159i, a zranitelnost bude explotov\u00e1na b\u011bhem jeho automatick\u00e9 indexace.      <\/p>\n<p>Ve v\u011bt\u0161in\u011b distribuc\u00ed s GNOME jsou komponenty localsearch (tracker-miners) ve v\u00fdchoz\u00edm nastaven\u00ed aktivov\u00e1ny a na\u010d\u00edt\u00e1ny jako pevn\u00e1 z\u00e1vislost pro spr\u00e1vce soubor\u016f Nautilus (GNOME Files). Od GNOME 46 se proces localsearch spou\u0161t\u00ed s pou\u017eit\u00edm sandboxov\u00e9 izolace. Pro deaktivaci extrakce metadat lze smazat soubory s pravidly z adres\u00e1\u0159e \/usr\/share\/localsearch3\/extract-rules\/ nebo \/usr\/share\/tracker3-miners\/extract-rules\/.          <\/p>\n<p>Zranitelnosti byly odstran\u011bny v aktualizaci GStreamer 1.28.1. Stav odstran\u011bn\u00ed zranitelnost\u00ed v distribuc\u00edch lze posoudit na t\u011bchto str\u00e1nk\u00e1ch (pokud je str\u00e1nka nedostupn\u00e1, znamen\u00e1 to, \u017ee v\u00fdvoj\u00e1\u0159i distribuce se je\u0161t\u011b neza\u010dali zab\u00fdvat probl\u00e9mem): Debian, Ubuntu, SUSE, RHEL, Gentoo, Arch, Fedora, FreeBSD.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64964\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u043e\u043c \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0435 GStreamer, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u043c \u0432 GNOME, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e 10 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0432\u0441\u0435 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u043c\u0435\u0447\u0435\u043d\u044b \u043a\u0430\u043a \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0449\u0438\u0435 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a\u043e\u0434\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0430\u0445 AVI, RTP, H.266, JPEG, ASF \u0438 RealMedia, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0441\u0443\u0431\u0442\u0438\u0442\u0440\u043e\u0432 DVB-SUB. \u0414\u0432\u0443\u043c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u043c \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 8.8 \u0438\u0437 10, \u0430 \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u043c 7.8. \u0412\u043e\u0441\u0435\u043c\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0442 \u043a \u0437\u0430\u043f\u0438\u0441\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 [&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-163928","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=\"\u0412 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