{"id":182227,"date":"2026-06-18T08:48:05","date_gmt":"2026-06-18T06:48:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-nginx-1-31-2-s-ustraneniem-uyazvimostej-ekspluatiruemyh-cherez-http-3-http2-i-grpc"},"modified":"2026-06-18T08:48:05","modified_gmt":"2026-06-18T06:48:05","slug":"obnovlenie-nginx-1-31-2-s-ustraneniem-uyazvimostej-ekspluatiruemyh-cherez-http-3-http2-i-grpc","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/obnovlenie-nginx-1-31-2-s-ustraneniem-uyazvimostej-ekspluatiruemyh-cherez-http-3-http2-i-grpc","title":{"rendered":"Aktualizacja nginx 1.31.2 eliminuj\u0105ca luki, kt\u00f3re mog\u0105 by\u0107 wykorzystywane przez HTTP\/3, HTTP2 i gRPC","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Wydano wersj\u0119 g\u0142\u00f3wnej ga\u0142\u0119zi nginx 1.31.2, w ramach kt\u00f3rej kontynuowany jest rozw\u00f3j nowych mo\u017cliwo\u015bci, a tak\u017ce wydano r\u00f3wnolegle wspieran\u0105 stabiln\u0105 ga\u0142\u0105\u017a nginx 1.30.3, do kt\u00f3rej wprowadzane s\u0105 tylko zmiany zwi\u0105zane z usuwaniem powa\u017cnych b\u0142\u0119d\u00f3w i luk. W aktualizacjach usuni\u0119to 3 luki:<\/p>\n<ul>\n<li class=\"l\"> CVE-2026-42530 \u2014 odwo\u0142anie do ju\u017c zwolnionej pami\u0119ci (use-after-free) w implementacji protoko\u0142u HTTP\/3. Problemowi przypisano krytyczny poziom zagro\u017cenia (9,2 na 10), co nie wyklucza zdalnego wykonania kodu z uprawnieniami procesu roboczego podczas przetwarzania specjalnie skonstruowanej sesji w protokole QUIC.\n<li class=\"l\"> CVE-2026-42055 \u2014 przepe\u0142nienie bufora w modu\u0142ach ngx_http_proxy_v2_module i ngx_http_grpc_module, objawiaj\u0105ce si\u0119 podczas proxyzowania specjalnie sformatowanych \u017c\u0105da\u0144 przez protok\u00f3\u0142 HTTP\/2 lub do backendu gRPC. Problemowi przypisano krytyczny poziom zagro\u017cenia (9,2 na 10), umo\u017cliwiaj\u0105cy zdalne wykonanie kodu. Wra\u017cliwo\u015b\u0107 wyst\u0119puje w konfiguracjach z ustawieniem<br \/>\n\u201eignore_invalid_headers off;\u201d i du\u017c\u0105 warto\u015bci\u0105 \u201elarge_client_header_buffers.\u201d<\/p>\n<li class=\"l\"> CVE-2026-48142 \u2014 odczyt z obszaru poza przydzielonym buforem podczas przetwarzania specjalnie sformatowanych \u017c\u0105da\u0144, prowadz\u0105cych do recodowania tekstu w kodowaniu UTF-8 za pomoc\u0105 modu\u0142u ngx_http_charset_module. Wra\u017cliwo\u015b\u0107 pojawia si\u0119 w konfiguracjach z dyrektyw\u0105 \u201echarset_map\u201d przy obecno\u015bci w bloku lokalizacji dyrektyw \u201esource_charset utf-8\u201d i \u201echarset inna_kodowanie.\u201d Problemowi przypisano \u015bredni poziom zagro\u017cenia (6,3 na 10), co mo\u017ce prowadzi\u0107 do wycieku zawarto\u015bci pami\u0119ci procesu roboczego.\n<\/ul>\n<p>Opr\u00f3cz usuni\u0119cia luk w wersji nginx 1.31.2 dodano zmienn\u0105 $ssl_sigalgs, zawieraj\u0105c\u0105 algorytmy podpis\u00f3w cyfrowych zg\u0142oszone przez klienta w wiadomo\u015bci ClientHello podczas negocjacji po\u0142\u0105czenia TLS. Do formowania identyfikatora przekazywanego przez zmienn\u0105 $request_id u\u017cyto algorytmu haszowania SipHash-2-4.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65712\">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 1.31.2, \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 1.30.3, \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-2026-42530 &#8212; \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u043a \u0443\u0436\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 (use-after-free) \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 HTTP\/3. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0435 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c [&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-182227","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 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