{"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\/it\/blog\/news\/obnovlenie-nginx-1-31-3-s-ustraneniem-rce-uyazvimosti","title":{"rendered":"Aggiornamento di nginx 1.31.3 con la correzione della vulnerabilit\u00e0 RCE.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stato rilasciato il main release di nginx 1.31.3, nell'ambito del quale continua lo sviluppo di nuove funzionalit\u00e0, insieme al rilascio della versione stabile parallela nginx 1.30.4, nella quale vengono apportate solo modifiche relative alla risoluzione di gravi errori e vulnerabilit\u00e0. Gli aggiornamenti hanno risolto 3 vulnerabilit\u00e0:    <\/p>\n<ul>\n<li class=\"l\"> CVE-2026-42533 \u2014 Overflow del buffer che si manifesta nell'uso della direttiva \u00abmap\u00bb per controlli attraverso espressioni regolari con sostituzioni tramite variabili non nominate (ad esempio, $1 e $2) o variabili nominate, a condizione che tali variabili siano menzionate prima della variabile risultato di map o che venga utilizzata una variabile non memorizzata nella cache. Questa vulnerabilit\u00e0 potrebbe portare all'esecuzione remota di codice su <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-dronten\/\" title=\"server\" data-wpil-keyword-link=\"linked\">server<\/a> inviando una richiesta HTTP opportunamente formattata. Il problema \u00e8 stato classificato con un livello di gravit\u00e0 critico (9.2 su 10).\n<li class=\"l\"> CVE-2026-60005 \u2014 Fuga di memoria non inizializzata di un processo di lavoro durante l'uso del modulo ngx_http_slice_module e specificando nella direttiva slice espressioni regolari con sostituzioni tramite variabili non nominate. A questa vulnerabilit\u00e0 \u00e8 stato assegnato un livello di gravit\u00e0 di 8.8 su 10.\n<li class=\"l\"> CVE-2026-56434 \u2014 Accesso alla memoria dopo la sua liberazione nel modulo ngx_http_ssi_module, che si verifica durante l'elaborazione di una risposta appositamente formattata restituita da un backend proxy. Questa vulnerabilit\u00e0 potrebbe portare a modifiche nel contenuto della memoria del processo di lavoro. Alla problematica \u00e8 stato assegnato un livello di gravit\u00e0 di 8.3 su 10.        <\/ul>\n<p>Modifiche non correlate a vulnerabilit\u00e0:  <\/p>\n<ul>\n<li class=\"l\">  Nel modulo ngx_http_xslt_filter_module \u00e8 stata disabilitata il caricamento di variabili nel documento XML, i cui valori vengono caricati da fonti esterne. \u00c8 stata aggiunta la direttiva \u00abxml_external_entities\u00bb per gestire il caricamento dei componenti esterni specificati nel blocco DTD del documento XML in fase di elaborazione.\n<li class=\"l\"> Sono state aggiunte le direttive \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 e \u00abtunnel_socket_rcvbuf\u00bb per impostare la dimensione dei buffer di invio (SO_SNDBUF) e di ricezione (SO_RCVBUF).\n<li class=\"l\"> Per l'architettura LoongArch64 \u00e8 stata implementata la definizione delle dimensioni del blocco (cache line) utilizzato per il trasferimento dei dati tra la cache della CPU e la memoria.\n<li class=\"l\"> Nei moduli ngx_http_proxy_v2_module e ngx_http_grpc_module \u00e8 stata implementata una limitazione della dimensione delle intestazioni e dei trailer nelle risposte HTTP\/2 tramite le direttive proxy_buffer_size e grpc_buffer_size.      <\/ul>\n<p>Fonte: <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 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