{"id":182651,"date":"2026-07-16T04:53:25","date_gmt":"2026-07-16T02:53:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-nginx-1-31-3-s-ustraneniem-rce-uyazvimosti"},"modified":"2026-07-16T04:53:25","modified_gmt":"2026-07-16T02:53:25","slug":"obnovlenie-nginx-1-31-3-s-ustraneniem-rce-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/obnovlenie-nginx-1-31-3-s-ustraneniem-rce-uyazvimosti","title":{"rendered":"Aktualizacja nginx 1.31.3 z naprawieniem luki RCE.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Wydano wydanie g\u0142\u00f3wnej ga\u0142\u0119zi nginx 1.31.3, w ramach kt\u00f3rego kontynuowany jest rozw\u00f3j nowych mo\u017cliwo\u015bci, a tak\u017ce wydanie r\u00f3wnolegle wspieranej stabilnej ga\u0142\u0119zi nginx 1.30.4, do kt\u00f3rej wprowadzane s\u0105 wy\u0142\u0105cznie zmiany zwi\u0105zane z eliminacj\u0105 powa\u017cnych b\u0142\u0119d\u00f3w i podatno\u015bci. W aktualizacjach usuni\u0119to 3 podatno\u015bci:    <\/p>\n<ul>\n<li class=\"l\"> CVE-2026-42533 \u2014 przepe\u0142nienie bufora, kt\u00f3re wyst\u0119puje przy u\u017cyciu dyrektywy \u00abmap\u00bb, podczas sprawdzania za pomoc\u0105 wyra\u017ce\u0144 regularnych z podstawieniami przy u\u017cyciu nieoznaczonych (np. $1 i $2) lub nazwanych zmiennych, pod warunkiem, \u017ce te zmienne s\u0105 wymienione przed zmienn\u0105 wynikow\u0105 map lub u\u017cyta jest zmienna, kt\u00f3ra nie jest buforowana. Potencjalna podatno\u015b\u0107 mo\u017ce prowadzi\u0107 do zdalnego wykonania kodu na <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/server\/dts-dronten\/\" title=\"serwerze\" data-wpil-keyword-link=\"linked\">serwerze<\/a> poprzez wys\u0142anie specjalnie sformu\u0142owanego \u017c\u0105dania HTTP. Problemowi przypisano krytyczny poziom niebezpiecze\u0144stwa (9.2 na 10).\n<li class=\"l\"> CVE-2026-60005 \u2014 wyciek niezinicjowanej pami\u0119ci procesu roboczego przy u\u017cyciu modu\u0142u ngx_http_slice_module i wskazywaniu w dyrektywie slice wyra\u017ce\u0144 regularnych z podstawieniami przy u\u017cyciu nieoznaczonych zmiennych. Wyciekowi przypisano poziom niebezpiecze\u0144stwa 8.8 na 10.\n<li class=\"l\"> CVE-2026-56434 \u2014 dost\u0119p do pami\u0119ci po jej zwolnieniu w module ngx_http_ssi_module, pojawiaj\u0105cy si\u0119 przy przetwarzaniu specjalnie sformatowanej odpowiedzi, zwracanej przez proxy backend. Podatno\u015b\u0107 mo\u017ce prowadzi\u0107 do modyfikacji zawarto\u015bci pami\u0119ci procesu roboczego. Problemowi przypisano poziom niebezpiecze\u0144stwa 8.3 na 10.        <\/ul>\n<p>Zmiany niezwi\u0105zane z podatno\u015bciami:  <\/p>\n<ul>\n<li class=\"l\">  W module ngx_http_xslt_filter_module wy\u0142\u0105czono \u0142adowanie zmiennych w dokumencie XML, kt\u00f3rych warto\u015bci s\u0105 \u0142adowane z zewn\u0119trznych \u017ar\u00f3de\u0142. Dodano dyrektyw\u0119 \u00abxml_external_entities\u00bb do zarz\u0105dzania \u0142adowaniem zewn\u0119trznych komponent\u00f3w, wskazanych w bloku DTD przetwarzanego dokumentu XML.\n<li class=\"l\"> Dodano dyrektywy \u00abproxy_socket_sndbuf\u00bb, \u00abproxy_socket_rcvbuf\u00bb, \u00abfastcgi_socket_sndbuf\u00bb, \u00abfastcgi_socket_rcvbuf\u00bb, \u00abgrpc_socket_sndbuf\u00bb, \u00abgrpc_socket_rcvbuf\u00bb, \u00abscgi_socket_sndbuf\u00bb, \u00abscgi_socket_rcvbuf\u00bb, \u00abuwsgi_socket_sndbuf\u00bb, \u00abuwsgi_socket_rcvbuf\u00bb, \u00abtunnel_socket_sndbuf\u00bb i \u00abtunnel_socket_rcvbuf\u00bb do ustawienia rozmiaru bufor\u00f3w wysy\u0142ania (SO_SNDBUF) i odbierania (SO_RCVBUF).\n<li class=\"l\"> Dla architektury LoongArch64 zrealizowano okre\u015blenie rozmiaru bloku (cache line), u\u017cywanego do transferu danych mi\u0119dzy pami\u0119ci\u0105 podr\u0119czn\u0105 CPU a pami\u0119ci\u0105.\n<li class=\"l\"> W modu\u0142ach ngx_http_proxy_v2_module i ngx_http_grpc_module zaimplementowano ograniczenie rozmiaru nag\u0142\u00f3wk\u00f3w i trailer\u00f3w w odpowiedziach HTTP\/2 za pomoc\u0105 dyrektyw proxy_buffer_size i grpc_buffer_size.      <\/ul>\n<p>\u0179r\u00f3d\u0142o: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65910\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 nginx 1.31.3, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043d\u043e\u0432\u044b\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 nginx 1.30.4, \u0432 \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u0432\u043d\u043e\u0441\u044f\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u044b\u0445 \u043e\u0448\u0438\u0431\u043e\u043a \u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u0412 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 3 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2026-42533 &#8212; \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430, \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0435\u0435\u0441\u044f \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u0432 \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u0435 &#171;map&#187; \u043f\u0440\u043e\u0432\u0435\u0440\u043e\u043a \u0447\u0435\u0440\u0435\u0437 \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0441 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430\u043c\u0438 [&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-182651","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=\"\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 nginx 1.31.3, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043d\u043e\u0432\u044b\u0445 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