{"id":182528,"date":"2026-07-08T04:53:20","date_gmt":"2026-07-08T02:53:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-vo-freebsd-dopuskayushhie-povyshenie-privilegij-i-udalyonnoe-vypolnenie-koda"},"modified":"2026-07-08T04:53:20","modified_gmt":"2026-07-08T02:53:20","slug":"uyazvimosti-vo-freebsd-dopuskayushhie-povyshenie-privilegij-i-udalyonnoe-vypolnenie-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-vo-freebsd-dopuskayushhie-povyshenie-privilegij-i-udalyonnoe-vypolnenie-koda","title":{"rendered":"Zranitelnosti ve FreeBSD, kter\u00e9 umo\u017e\u0148uj\u00ed zv\u00fd\u0161en\u00ed opr\u00e1vn\u011bn\u00ed a vzd\u00e1len\u00e9 prov\u00e1d\u011bn\u00ed k\u00f3du","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ve FreeBSD bylo odstran\u011bno 22 zranitelnost\u00ed, z nich\u017e jedna potenci\u00e1ln\u011b umo\u017e\u0148uje vzd\u00e1len\u00e9 spu\u0161t\u011bn\u00ed k\u00f3du s pr\u00e1vy root a 13 nab\u00edz\u00ed mo\u017enost zv\u00fd\u0161it sv\u00e9 privilegium v syst\u00e9mu. Zranitelnosti byly odstran\u011bny v aktualizac\u00edch FreeBSD 15.1-RELEASE-p1, FreeBSD 15.0-RELEASE-p11, 14.4-RELEASE-p7 a 14.3-RELEASE-p16.     <\/p>\n<p>Nejv\u00edce nebezpe\u010dn\u00e1 zranitelnost (CVE-2026-49420) je zp\u016fsobena p\u0159ete\u010den\u00edm bufferu v knihovn\u011b libalias, kter\u00e1 se pou\u017e\u00edv\u00e1 v j\u00e1drov\u00e9m filtru paket\u016f ipfw a v procesu natd na \u00farovni u\u017eivatelsk\u00e9ho prostoru pro p\u0159eklad adres odes\u00edlan\u00fdch nebo p\u0159ij\u00edman\u00fdch s\u00ed\u0165ov\u00fdch paket\u016f. P\u0159ete\u010den\u00ed vznikalo v obslu\u017en\u00e9m programu protokolu RTSP (Real Time Streaming Protocol), kter\u00fd p\u0159episoval v\u00fdstupn\u00ed s\u00ed\u0165ov\u00e9 pakety pomoc\u00ed bufferu pevn\u00e9 velikosti bez kontroly, zda se do n\u011bj vejde v\u00fdsledek p\u0159episov\u00e1n\u00ed paketu.    <\/p>\n<p>B\u011bhem zpracov\u00e1n\u00ed speci\u00e1ln\u011b upraven\u00e9ho RTSP provozu na NAT br\u00e1n\u011b m\u016f\u017ee doj\u00edt k p\u0159ete\u010den\u00ed z\u00e1sobn\u00edku, kter\u00e9 potenci\u00e1ln\u011b m\u016f\u017ee v\u00e9st k vzd\u00e1len\u00e9mu proveden\u00ed k\u00f3du na \u00farovni j\u00e1dra nebo v procesu natd b\u011b\u017e\u00edc\u00edm v syst\u00e9mu s pr\u00e1vy root.     <\/p>\n<p>Jako obch\u00e1zen\u00ed pro zablokov\u00e1n\u00ed zranitelnosti lze zablokovat na\u010d\u00edt\u00e1n\u00ed modulu j\u00e1dra alias_smedia.ko a odstranit zm\u00ednku o obslu\u017en\u00e9m programu libalias_smedia.so z konfigura\u010dn\u00edho souboru \/etc\/libalias.conf. Pokud se na firewallu nepou\u017e\u00edv\u00e1 protokol RTSP, lze zablokovat provoz na s\u00ed\u0165ov\u00e9 porty 554 a 7070 v pravidlech uveden\u00fdch p\u0159ed vyvol\u00e1n\u00edm pravidel NAT.    <\/p>\n<p>Zranitelnosti vedouc\u00ed k z\u00edsk\u00e1n\u00ed pr\u00e1v root neprivilegovan\u00fdm m\u00edstn\u00edm u\u017eivatelem:  <\/p>\n<ul>\n<li class=\"l\">  CVE-2026-49415 \u2014 stav z\u00e1vodu v syst\u00e9mov\u00e9m vol\u00e1n\u00ed execve, kter\u00e9 umo\u017e\u0148uje m\u00edstn\u00edmu u\u017eivateli b\u011bhem prov\u00e1d\u011bn\u00ed spustiteln\u00fdch soubor\u016f s p\u0159\u00edznakem SUID root upravit adresn\u00ed prostor procesu prost\u0159ednictv\u00edm procfs nebo linprocfs v mal\u00e9 \u010dasov\u00e9 interval, kter\u00fd nast\u00e1v\u00e1 po nastaven\u00ed nov\u00e9ho virtu\u00e1ln\u00edho adresn\u00edho prostoru procesu, ale p\u0159ed aktualizac\u00ed \u00fadaj\u016f o jeho vlastn\u00edkovi.\n<li class=\"l\"> CVE-2026-49422 \u2014 p\u0159\u00edstup k ji\u017e uvoln\u011bn\u00e9 pam\u011bti (Use-after-free) v modulu j\u00e1dra tcp_rack.ko, kter\u00fd implementuje algoritmus detekce ztr\u00e1ty TCP paket\u016f RACK (Recent ACKnowledgment). Zranitelnost lze vyu\u017e\u00edt k eskalaci opr\u00e1vn\u011bn\u00ed manipulac\u00ed s m\u00edstn\u00edm socketem.\n<li class=\"l\"> CVE-2026-49419 \u2014 p\u0159ete\u010den\u00ed \u010d\u00edta\u010de odkaz\u016f sm\u011brem dol\u016f (underflow) v implementaci mechanismu izolace Jail. Prost\u0159ednictv\u00edm manipulace s jail prost\u0159ed\u00edmi pomoc\u00ed jail-deskriptor\u016f pomoc\u00ed funkc\u00ed jail_set a jail_get m\u016f\u017ee \u00fato\u010dn\u00edk dos\u00e1hnout resetov\u00e1n\u00ed \u010d\u00edta\u010de odkaz\u016f a uvoln\u011bn\u00ed pam\u011bti pod strukturou, kter\u00e1 se nad\u00e1le pou\u017e\u00edv\u00e1 v j\u00e1d\u0159e, co\u017e m\u016f\u017ee potenci\u00e1ln\u011b v\u00e9st k eskalaci jeho opr\u00e1vn\u011bn\u00ed.\n<li class=\"l\"> CVE-2026-49429 \u2014 p\u0159ete\u010den\u00ed bufferu v OpenZFS, kter\u00e9 umo\u017e\u0148uje m\u00edstn\u00edmu u\u017eivateli s opr\u00e1vn\u011bn\u00edm ZFS 'userused' zv\u00fd\u0161it sv\u00e1 opr\u00e1vn\u011bn\u00ed prost\u0159ednictv\u00edm manipulace s ioctl ZFS_IOC_USERSPACE_MANY.\n<li class=\"l\"> CVE-2026-49427, CVE-2026-49428 \u2014 zranitelnosti v implementaci objekt\u016f sd\u00edlen\u00e9 pam\u011bti 'largepage', kter\u00e9 vedou k p\u0159\u00edstupu k ji\u017e uvoln\u011bn\u00e9 pam\u011bti v j\u00e1d\u0159e, co\u017e m\u016f\u017ee b\u00fdt vyu\u017eito k eskalaci jeho opr\u00e1vn\u011bn\u00ed pomoc\u00ed manipulace s funkc\u00ed sendfile s p\u0159\u00edznakem SF_NOCACHE nebo funkcemi open a fspacectl s p\u0159\u00edznakem O_TRUNC.\n<li class=\"l\"> CVE-2026-49421 \u2014 nespr\u00e1vn\u00e9 zpracov\u00e1n\u00ed p\u0159\u00edznaku AT_RESOLVE_BENEATH v syst\u00e9mov\u00fdch vol\u00e1n\u00edch unlinkat a funlinkat m\u016f\u017ee b\u00fdt pou\u017eito k odstra\u0148ov\u00e1n\u00ed soubor\u016f mimo z\u00e1kladn\u00ed adres\u00e1\u0159 v konfigurac\u00edch s omezen\u00fdm p\u0159\u00edstupem k FS.\n<li class=\"l\"> CVE-2026-49418 \u2014 p\u0159\u00edstup k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed v subsyst\u00e9mu virtu\u00e1ln\u00ed pam\u011bti, k n\u011bmu\u017e doch\u00e1z\u00ed p\u0159i vol\u00e1n\u00ed funkce msync(MS_INVALIDATE) pro mapov\u00e1n\u00ed pam\u011bti za\u0159\u00edzen\u00ed. \u00dato\u010dn\u00edk, kter\u00fd m\u00e1 p\u0159\u00edstup k za\u0159\u00edzen\u00ed podporuj\u00edc\u00edmu mapov\u00e1n\u00ed do pam\u011bti, m\u016f\u017ee tuto zranitelnost vyu\u017e\u00edt k eskalaci sv\u00fdch opr\u00e1vn\u011bn\u00ed.\n<li class=\"l\"> CVE-2026-49416 \u2014 celo\u010d\u00edseln\u00e9 p\u0159ete\u010den\u00ed v ovlada\u010di konzole vt, kter\u00e9 umo\u017e\u0148uje m\u00edstn\u00edmu u\u017eivateli potenci\u00e1ln\u011b zv\u00fd\u0161it sv\u00e1 opr\u00e1vn\u011bn\u00ed zasl\u00e1n\u00edm ioctl CONS_HISTORY a uveden\u00edm p\u0159\u00edli\u0161 velk\u00e9 velikosti.\n<li class=\"l\"> CVE-2026-49413 \u2013 zranitelnost v Linuxulator, kter\u00e1 umo\u017e\u0148uje neprivilegovan\u00e9mu u\u017eivateli vlo\u017eit svou sd\u00edlenou knihovnu prost\u0159ednictv\u00edm prom\u011bnn\u00e9 prost\u0159ed\u00ed LD_PRELOAD do spustiteln\u00e9ho souboru s p\u0159\u00edznakem suid a spustit sv\u016fj k\u00f3d s opr\u00e1vn\u011bn\u00edmi tohoto spustiteln\u00e9ho souboru.\n<li class=\"l\"> CVE-2026-49412 \u2013 p\u0159\u00edstup k ji\u017e uvoln\u011bn\u00e9 pam\u011bti v handleru volby IPV6_MSFILTER v socketech, co\u017e umo\u017e\u0148uje zv\u00fd\u0161en\u00ed sv\u00fdch privileg\u00ed\u00ed.\n<li class=\"l\"> CVE-2026-45258 \u2013 probl\u00e9my s implementac\u00ed podpory mapov\u00e1n\u00ed pam\u011bti (mmap) v ovlada\u010di zvuku, kter\u00e9 umo\u017e\u0148uj\u00ed \u010d\u00edst a zapisovat data do oblast\u00ed pam\u011bti j\u00e1dra prost\u0159ednictv\u00edm manipulace s za\u0159\u00edzen\u00edm \/dev\/dsp, kter\u00e9 je ve v\u00fdchoz\u00edm nastaven\u00ed dostupn\u00e9 pro z\u00e1pis v\u0161em.\n<li class=\"l\"> CVE-2026-45257 \u2013 zranitelnost v j\u00e1drov\u00e9m modulu ktls, kter\u00e1 umo\u017e\u0148uje p\u0159epsat v str\u00e1nkov\u00e9m cache jak\u00fdkoli soubor p\u0159\u00edstupn\u00fd pro \u010dten\u00ed \u00fato\u010dn\u00edka. P\u0159eps\u00e1n\u00edm takto souboru suid root, nap\u0159\u00edklad \/bin\/su, m\u016f\u017ee \u00fato\u010dn\u00edk z\u00edskat opr\u00e1vn\u011bn\u00ed root v syst\u00e9mu.              <\/ul>\n<p>M\u00e9n\u011b nebezpe\u010dn\u00e9 zranitelnosti:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2026-49430, CVE-2026-49431 \u2013 zranitelnosti v OpenZFS, kter\u00e9 vedou k po\u0161kozen\u00ed pam\u011bti j\u00e1dra a mo\u017enosti nastavit p\u0159\u00edznak \u201e$hasrecvd\u201c bez p\u0159\u00edslu\u0161n\u00fdch opr\u00e1vn\u011bn\u00ed.\n<li class=\"l\"> CVE-2026-49426 \u2013 nespr\u00e1vn\u00e9 vytv\u00e1\u0159en\u00ed z\u00e1znam\u016f o auditech pro vol\u00e1n\u00ed ptrace. M\u016f\u017ee b\u00fdt pou\u017eito \u00fato\u010dn\u00edkem k obch\u00e1zen\u00ed syst\u00e9m\u016f detekce naru\u0161en\u00ed.\n<li class=\"l\"> CVE-2026-49423 \u2013 vzd\u00e1len\u00e1 DoS zranitelnost v subsyst\u00e9mu j\u00e1dra KTLS, kter\u00e1 je zneu\u017e\u00edv\u00e1na prost\u0159ednictv\u00edm odes\u00edl\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00fdch TLS paket\u016f. Probl\u00e9m se projevuje pouze na syst\u00e9mech, kter\u00e9 pou\u017e\u00edvaj\u00ed KTLS pro urychlen\u00ed zpracov\u00e1n\u00ed TLS (kern.ipc.tls.enable=1).\n<li class=\"l\"> CVE-2026-49424 \u2013 \u00fanik 104 bajt\u016f z neinitializovan\u00e9ho z\u00e1sobn\u00edku j\u00e1dra p\u0159i implementaci syst\u00e9mov\u00e9ho vol\u00e1n\u00ed waitid() v Linuxulator.\n<li class=\"l\"> CVE-2026-49425 \u00fanik dat z neinicializovan\u00e9ho z\u00e1sobn\u00edku j\u00e1dra v podsyst\u00e9mu compat32.\n<li class=\"l\"> CVE-2026-58081, CVE-2026-58082 \u2013 p\u0159ete\u010den\u00ed bufferu v knihovn\u011b iconv, kter\u00e9 mohou b\u00fdt pou\u017eity k \u00fatoku na aplikace vyu\u017e\u00edvaj\u00edc\u00ed iconv pro p\u0159evod ned\u016fv\u011bryhodn\u00fdch extern\u00edch dat v k\u00f3dov\u00e1n\u00ed HZ, UTF-7, VIQR, ZW a ISO-2022.      <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65860\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 22 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043e\u0434\u043d\u0430 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u0430 13 \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 FreeBSD 15.1-RELEASE-p1, FreeBSD 15.0-RELEASE-p11, 14.4-RELEASE-p7 \u0438 14.3-RELEASE-p16. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2026-49420) \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libalias, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0439 \u0432 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0435\u043c \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u044f\u0434\u0440\u0430 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u043c \u0444\u0438\u043b\u044c\u0442\u0440\u0435 ipfw [&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-182528","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\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 22 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043e\u0434\u043d\u0430 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u0430 13 \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Alexander Kovalev\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-vo-freebsd-dopuskayushhie-povyshenie-privilegij-i-udalyonnoe-vypolnenie-koda\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432\u043e FreeBSD, \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0449\u0438\u0435 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 \u0438 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a\u043e\u0434\u0430 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 22 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043e\u0434\u043d\u0430 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u0430 13 \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-vo-freebsd-dopuskayushhie-povyshenie-privilegij-i-udalyonnoe-vypolnenie-koda\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-07-08T02:53:20+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-07-08T02:53:20+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Zranitelnosti ve FreeBSD, kter\u00e9 umo\u017e\u0148uj\u00ed zv\u00fd\u0161en\u00ed opr\u00e1vn\u011bn\u00ed a vzd\u00e1len\u00e9 spu\u0161t\u011bn\u00ed k\u00f3du | ProHoster","description":"Ve FreeBSD bylo opraveno 22 zranitelnost\u00ed, z nich\u017e jedna potenci\u00e1ln\u011b umo\u017e\u0148uje vzd\u00e1len\u00e9 spu\u0161t\u011bn\u00ed k\u00f3du s pr\u00e1vy root, a 13 umo\u017e\u0148uje zv\u00fd\u0161en\u00ed opr\u00e1vn\u011bn\u00ed v syst\u00e9mu.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-vo-freebsd-dopuskayushhie-povyshenie-privilegij-i-udalyonnoe-vypolnenie-koda","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432\u043e FreeBSD, \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0449\u0438\u0435 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 \u0438 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a\u043e\u0434\u0430 | ProHoster","og:description":"\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 22 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043e\u0434\u043d\u0430 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u0430 13 \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-vo-freebsd-dopuskayushhie-povyshenie-privilegij-i-udalyonnoe-vypolnenie-koda","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-07-08T02:53:20+00:00","article:modified_time":"2026-07-08T02:53:20+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"182528","title":null,"description":null,"keywords":null,"keyphrases":{"focus":[],"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2026-08-05 12:22:08","updated":"2026-08-05 12:22:08","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/182528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=182528"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/182528\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=182528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=182528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=182528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}