{"id":183763,"date":"2026-10-12T16:54:00","date_gmt":"2026-10-12T14:54:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/opasnye-uyazvimosti-v-apache-httpd-freebsd-yadre-linux-openoffice-libreoffice-cups-next-js-wolfssl-flatpak-pcre2-i-openssl"},"modified":"2026-10-12T16:54:06","modified_gmt":"2026-10-12T14:54:06","slug":"dangerous-vulnerabilities-in-apache-httpd-freebsd-the-linux-kernel-openoffice-libreoffice-cups-next-js-wolfssl-flatpak-pcre2-and-openssl","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/dangerous-vulnerabilities-in-apache-httpd-freebsd-the-linux-kernel-openoffice-libreoffice-cups-next-js-wolfssl-flatpak-pcre2-and-openssl","title":{"rendered":"Nebezpe\u010dn\u00e9 zranitelnosti v Apache httpd, FreeBSD, Linuxov\u00e9m j\u00e1d\u0159e, OpenOffice, LibreOffice, CUPS, Next.js, wolfSSL, Flatpak, pcre2 a OpenSSL","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ned\u00e1vno odhalen\u00e9 nebezpe\u010dn\u00e9 zranitelnosti, kter\u00e9 umo\u017e\u0148uj\u00ed z\u00edskat root p\u0159\u00edstup v syst\u00e9mu nebo dos\u00e1hnout vzd\u00e1len\u00e9ho prov\u00e1d\u011bn\u00ed k\u00f3du:<\/p>\n<ul>\n<li class=\"l\"> 20 zranitelnost\u00ed v Apache httpd, mezi nimi\u017e je p\u0159ete\u010den\u00ed z\u00e1sobn\u00edku v mod_vhost_alias (CVE-2026-63292), potenci\u00e1ln\u011b umo\u017e\u0148uj\u00edc\u00ed vzd\u00e1len\u00e9 proveden\u00ed k\u00f3du pomoc\u00ed odesl\u00e1n\u00ed HTTP po\u017eadavku s velk\u00fdm HTTP hlavi\u010dkou Host. Zranitelnost se projevuje p\u0159i ur\u010dov\u00e1n\u00ed v direktiv\u011b VirtualDocumentRoot specifier podm\u00ednkov\u00e9ho n\u00e1zvu hostitele a zv\u00fd\u0161en\u00ed limitu LimitRequestFieldSize.\n<p>Mezi dal\u0161\u00edmi nebezpe\u010dn\u00fdmi probl\u00e9my se nach\u00e1z\u00ed: p\u0159\u00edstup k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed v mod_rewrite p\u0159i pou\u017eit\u00ed konstrukce %{LA-U:HTTP:\u2026}\u00bb (CVE-2026-56154); p\u0159ete\u010den\u00ed z\u00e1sobn\u00edku v mod_charset_lite (CVE-2026-56153); p\u0159\u00edstup k ji\u017e uvoln\u011bn\u00e9 pam\u011bti v mod_http2 (CVE-2026-57941); p\u0159ete\u010den\u00ed z\u00e1sobn\u00edku p\u0159i anal\u00fdze cest k soubor\u016fm ve Windows (CVE-2026-59685); p\u0159ete\u010den\u00ed cel\u00e9ho \u010d\u00edsla v mod_dav_fs (CVE-2026-93546). Probl\u00e9my byly odstran\u011bny ve verzi 2.4.69.<\/p>\n<li class=\"l\"> 9 zranitelnost\u00ed ve FreeBSD. Mezi odhalen\u00fdmi probl\u00e9my: p\u0159ete\u010den\u00ed z\u00e1sobn\u00edku vedouc\u00ed k prov\u00e1d\u011bn\u00ed k\u00f3du na \u00farovni j\u00e1dra p\u0159i manipulaci se syst\u00e9mov\u00fdm vol\u00e1n\u00edm semop (CVE-2026-58098); zv\u00fd\u0161en\u00ed privileg\u00ed\u00ed kv\u016fli p\u0159\u00edstupu k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed v kqueue (CVE-2026-58099); p\u0159ekro\u010den\u00ed ko\u0159enov\u00e9ho adres\u00e1\u0159e izolovan\u00e9ho jail prost\u0159ed\u00ed (CVE-2026-101304, CVE-2026-101305, CVE-2026-101306); zhroucen\u00ed j\u00e1dra zasl\u00e1n\u00edm speci\u00e1ln\u011b form\u00e1tovan\u00e9ho s\u00ed\u0165ov\u00e9ho paketu p\u0159i zapnut\u00ed KTLS (CVE-2026-101302); obejit\u00ed mechanism\u016f s\u00ed\u0165ov\u00e9 izolace v jail (CVE-2026-101303). Zranitelnosti byly odstran\u011bny v aktualizac\u00edch FreeBSD 15.1-RELEASE-p4, 15.0-RELEASE-p14, 14.5-RELEASE-p1 a 14.4-RELEASE-p10.\n<li class=\"l\"> 6 zranitelnost\u00ed v LibreOffice, kter\u00e9 p\u0159i otev\u00edr\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00fdch dokument\u016f vedou k prov\u00e1d\u011bn\u00ed k\u00f3du (CVE-2026-63277, exploit), z\u00e1pisu do libovoln\u00fdch soubor\u016f (CVE-2026-63266) nebo \u00faniku obsahu lok\u00e1ln\u00edch soubor\u016f (CVE-2026-63267, CVE-2026-63268, CVE-2026-63269). Probl\u00e9my byly odstran\u011bny v LibreOffice 26.2.5 a 26.8.0.\n<li class=\"l\"> Zranitelnost (CVE-2026-59265, exploit) v Apache OpenOffice, vedouc\u00ed k prov\u00e1d\u011bn\u00ed k\u00f3du p\u0159i otev\u00edr\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00e9ho dokumentu kv\u016fli chyb\u011b v funkc\u00edch integrace s Java. Probl\u00e9m bude odstran\u011bn ve verzi 4.1.17, kter\u00e1 je ve f\u00e1zi testov\u00e1n\u00ed kandid\u00e1ta na vyd\u00e1n\u00ed.\n<li class=\"l\"> Zranitelnosti v <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-newyork\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\">serveru<\/a> zran\u011bn\u00ed CUPS. Zat\u00edm byly odhaleny informace o 14 probl\u00e9mech s \u00farovn\u00ed nebezpe\u010d\u00ed pod 7 (CVSS), p\u0159i\u010dem\u017e seznam nebezpe\u010dn\u011bj\u0161\u00edch probl\u00e9m\u016f bude zve\u0159ejn\u011bn po uplynut\u00ed embarga, kter\u00e9 d\u00e1v\u00e1 \u010das na proveden\u00ed oprav v distribuc\u00edch. Nejnebezpe\u010dn\u011bj\u0161\u00ed z uveden\u00fdch zranitelnost\u00ed umo\u017e\u0148uje zv\u00fd\u0161en\u00ed privilegii (CVE nebyl p\u0159id\u011blen) a vzd\u00e1len\u00e9 proveden\u00ed vlastn\u00edho k\u00f3du s pr\u00e1vy u\u017eivatele lp (CVE-2026-55453) p\u0159i p\u0159\u00edstupu k tisk\u00e1rn\u011b IPP ovl\u00e1dan\u00e9 \u00fato\u010dn\u00edkem. Probl\u00e9my byly odstran\u011bny ve vyd\u00e1n\u00ed CUPS 2.4.20.\n<li class=\"l\"> Zranitelnost (CVE-2026-80521, exploit) v j\u00e1d\u0159e Linuxu, kter\u00e1 umo\u017e\u0148uje p\u0159\u00edstup k hostitelsk\u00e9mu syst\u00e9mu z izolovan\u00e9ho kontejneru. Zranitelnost byla zp\u016fsobena z\u00e1vodem ve realizaci socket\u016f AF_UNIX, co\u017e vedlo k p\u0159\u00edstupu do pam\u011bti po jej\u00edm uvoln\u011bn\u00ed, kter\u00fd lze vyu\u017e\u00edt pro spu\u0161t\u011bn\u00ed libovoln\u00e9ho k\u00f3du na \u00farovni j\u00e1dra. Probl\u00e9m byl odstran\u011bn v srpnov\u00fdch aktualizac\u00edch j\u00e1dra.\n<li class=\"l\"> Pro Debian GNU\/Linux 13 bylo publikov\u00e1no aktualizovan\u00e9 balen\u00ed s j\u00e1drem Linux 6.12.111-1, ve kter\u00e9m bylo odstran\u011bno 1313 zranitelnost\u00ed.\n<li class=\"l\"> Zranitelnost (CVE-2026-94545) na platform\u011b Next.js, kter\u00e1 umo\u017e\u0148uje vzd\u00e1len\u00e9 bez autentizace prov\u00e1d\u011bt vlastn\u00ed k\u00f3d na serveru prost\u0159ednictv\u00edm odesl\u00e1n\u00ed po\u017eadavku na generov\u00e1n\u00ed SVG obr\u00e1zku, pokud na serveru existuje zpracovatel pro n\u00e1hled OG karet (Open Graph). Probl\u00e9m souvis\u00ed se zranitelnost\u00ed v knihovn\u011b Satori, kter\u00e1 se pou\u017e\u00edv\u00e1 pro p\u0159evod HTML a CSS na SVG. Zranitelnost byla zp\u016fsobena nedostate\u010dnou kontrolou escape znak\u016f p\u0159ed jejich vlo\u017een\u00edm do SVG souboru, co\u017e mohlo b\u00fdt vyu\u017eito k p\u0159id\u00e1n\u00ed tagu  do SVG zna\u010dky, kter\u00fd byl vykon\u00e1n na serveru b\u011bhem p\u0159evodu SVG do rastrov\u00e9ho form\u00e1tu. Probl\u00e9m byl odstran\u011bn ve Satori 0.33.5 a Next.js 15.5.26, 16.3.6 a 16.4.0.\n<li class=\"l\"> Zranitelnosti (CVE-2026-33937, CVE-2026-106445) v JavaScript knihovn\u011b handlebars.js, kter\u00e1 m\u00e1 50 milion\u016f sta\u017een\u00ed t\u00fddn\u011b a 17 tis\u00edc z\u00e1visl\u00fdch projekt\u016f. Zranitelnosti umo\u017e\u0148uj\u00ed vzd\u00e1len\u00e9 spu\u0161t\u011bn\u00ed JavaScriptov\u00e9ho k\u00f3du na serveru (p\u0159i pou\u017eit\u00ed knihovny s Node.js) prost\u0159ednictv\u00edm substituce v \u0161abloniz\u00e1toru ji\u017e vytvo\u0159en\u00fdch AST objekt\u016f (Abstract Syntax Tree) vedle \u0159et\u011bzcov\u00fdch \u0161ablon. Probl\u00e9my byly odstran\u011bny ve verzi 4.7.10.\n<li class=\"l\"> V kryptografick\u00e9 knihovn\u011b wolfSSL 5.9.4 bylo odstran\u011bno 11 zranitelnost\u00ed, z nich\u017e nejnebezpe\u010dn\u011bj\u0161\u00ed umo\u017e\u0148uj\u00ed obch\u00e1zen\u00ed autentizace pomoc\u00ed pou\u017eit\u00ed fale\u0161n\u00fdch certifik\u00e1t\u016f.\n<li class=\"l\"> 6 zranitelnost\u00ed v syst\u00e9mu samostatn\u00fdch bal\u00edk\u016f Flatpak, mezi kter\u00fdmi jsou probl\u00e9my umo\u017e\u0148uj\u00edc\u00ed smazat (CVE-2026-97023) a zapisovat (CVE-2026-97024) soubory v hlavn\u00edm syst\u00e9mu s pr\u00e1vy root, stejn\u011b jako odes\u00edlat sign\u00e1l proces\u016fm mimo izolovan\u00e9 prost\u0159ed\u00ed (CVE-2026-97029). Probl\u00e9my byly odstran\u011bny ve verzi Flatpak 1.18.4.\n<li class=\"l\"> Zranitelnost v knihovn\u011b PCRE2, zp\u016fsoben\u00e1 p\u0159ete\u010den\u00edm bufferu v JIT-kompil\u00e1toru regul\u00e1rn\u00edch v\u00fdraz\u016f. Bylo p\u0159ipraveno exploit, kter\u00fd umo\u017e\u0148uje vzd\u00e1len\u00e9 proveden\u00ed k\u00f3du v PHP projektech, jako je phpMyAdmin, p\u0159i zpracov\u00e1n\u00ed specifikovan\u00e9ho \u00fato\u010dn\u00edkem regul\u00e1rn\u00edho v\u00fdrazu v funkc\u00edch zalo\u017een\u00fdch na PCRE2. Probl\u00e9m byl odstran\u011bn ve verzi libpcre2 10.49.\n<li class=\"l\"> 14 zranitelnost\u00ed v kryptografick\u00e9 knihovn\u011b OpenSSL, z nich\u017e nejnebezpe\u010dn\u011bj\u0161\u00ed mohou v\u00e9st k \u00faniku obsahu pam\u011bti procesu p\u0159i manipulac\u00edch s dohodou spojen\u00ed DTLS (CVE-2026-84782), p\u0159\u00edstupu k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed p\u0159i sou\u010dasn\u00e9m p\u0159\u00edstupu k jednomu certifik\u00e1tu X.509 z r\u016fzn\u00fdch vl\u00e1ken (CVE-2026-84783), a rekonstrukci soukrom\u00fdch kl\u00ed\u010d\u016f anal\u00fdzou doby trv\u00e1n\u00ed operac\u00ed prost\u0159ednictv\u00edm vedlej\u0161\u00edch kan\u00e1l\u016f p\u0159i generov\u00e1n\u00ed podpis\u016f SM2 a brainpoolP384r1 (CVE-2026-54872, CVE-2026-77696). Probl\u00e9my byly odstran\u011bny ve verz\u00edch OpenSSL 4.0.3, 3.6.5, 3.5.9 a 3.4.8.\n<li class=\"l\"> Byl zve\u0159ejn\u011bn exploit pro zranitelnost v datab\u00e1zov\u00e9m syst\u00e9mu PostgreSQL (CVE-2026-15742), kter\u00fd umo\u017e\u0148uje prov\u00e9st k\u00f3d na serveru s pr\u00e1vy u\u017eivatele, pod kter\u00fdm b\u011b\u017e\u00ed datab\u00e1zov\u00fd syst\u00e9m, prost\u0159ednictv\u00edm odesl\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00fdch hodnot do SQL funkc\u00ed levenshtein() a levenshtein_less_equal(). Zranitelnost byla odstran\u011bna ve verz\u00edch PostgreSQL 18.6, 17.11, 16.15, 15.19 a 14.24.\n<li class=\"l\"> V aktualizac\u00edch platformy pro spole\u010dn\u00fd v\u00fdvoj Gitea 28.0.0 a 28.1.0 bylo odstran\u011bno n\u011bkolik des\u00edtek zranitelnost\u00ed, mezi nimi\u017e je zas\u00edl\u00e1n\u00ed pull \u017e\u00e1dost\u00ed obch\u00e1zej\u00edc\u00edho mechanismus potvrzen\u00ed zm\u011bn (CVE-2026-104632), prov\u00e1d\u011bn\u00ed k\u00f3du v CI z forku (CVE-2026-94205), a obch\u00e1zen\u00ed autentizace ve vestav\u011bn\u00e9m SSH serveru z d\u016fvodu ignorov\u00e1n\u00ed registru znak\u016f p\u0159i v\u00fdb\u011bru z datab\u00e1ze (CVE-2026-103059).\n<li class=\"l\"> P\u0159ete\u010den\u00ed bufferu (CVE-2026-102633) v knihovn\u011b libexpat, kter\u00e9 se objevuje na 32bitov\u00fdch platform\u00e1ch p\u0159i zpracov\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00fdch XML soubor\u016f. Probl\u00e9m byl odstran\u011bn ve verzi 2.9.0.\n<li class=\"l\"> Dv\u011b zranitelnosti v bal\u00edku FreeIPMI pro spr\u00e1vu <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-dusseldorf\/\"   title=\"servery\" data-wpil-keyword-link=\"linked\">servery<\/a>, kter\u00e9 podporuj\u00ed rozhran\u00ed IPMI (Intelligent Platform Management Interface). Jedna z zranitelnost\u00ed vede k p\u0159ete\u010den\u00ed bufferu p\u0159i zpracov\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00e9ho n\u00e1zvu hostitele. Probl\u00e9my byly odstran\u011bny ve verzi FreeIPMI 1.6.20.\n<li class=\"l\"> V r\u00e1mci projektu Lightwell spole\u010dnosti IBM a Red Hat bylo identifikov\u00e1no a p\u0159ipraveno v\u00edce ne\u017e 400 oprav pro zranitelnosti v otev\u0159en\u00fdch knihovn\u00e1ch jazyka Java.\n<\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66395\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0437\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u043e\u043f\u0430\u0441\u043d\u044b\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c root-\u0434\u043e\u0441\u0442\u0443\u043f \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0438\u043b\u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\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: 20 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 Apache httpd, \u0441\u0440\u0435\u0434\u0438 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 mod_vhost_alias (CVE-2026-63292), \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0435 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 HTTP-\u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u0441 \u0431\u043e\u043b\u044c\u0448\u0438\u043c HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u043e\u043c Host. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0438 \u0432 \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u0435 VirtualDocumentRoot \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u0430 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0438\u043c\u0435\u043d\u0438 \u0445\u043e\u0441\u0442\u0430 \u0438 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0438 \u043b\u0438\u043c\u0438\u0442\u0430 LimitRequestFieldSize. 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