{"id":169694,"date":"2026-04-21T18:24:39","date_gmt":"2026-04-21T16:24:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/libressl-4-3-0"},"modified":"2026-04-21T18:24:39","modified_gmt":"2026-04-21T16:24:39","slug":"libressl-4-3-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/libressl-4-3-0","title":{"rendered":"LibreSSL 4.3.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projektet LibreSSL har annonceret udgivelsen af version 4.3.0, som allerede er tilg\u00e6ngelig p\u00e5 OpenBSD-spejle.<\/p>\n<p>Dette er en udviklingsudgivelse for version 4.3.x, s\u00e5 udviklerne opfordrer f\u00e6llesskabet til aktiv testning. Der planl\u00e6gges ikke yderligere \u00e6ndringer af API og ABI i version 4.3.<\/p>\n<p>Et af de vigtigste nye tiltag i denne version er st\u00f8tten til den post-kvantiske n\u00f8gleudvekslingsmetode MLKEM768_X25519 i TLS i overensstemmelse med IETF-udkastet draft-ietf-tls-ecdhe-mlkem. En 'off-by-one'-fejl i dybdekontrol af X.509-certifikater er blevet rettet, hvilket kunne f\u00f8re til overskrivning af 4 byte i hukommelsen, n\u00e5r man arbejder med ondsindet <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/server\/dts-prohoster\/\" title=\"serveren\" data-wpil-keyword-link=\"linked\">serveren<\/a> eller n\u00e5r klientcertifikatkontrol er aktiveret. Den maksimale dybde er nu begr\u00e6nset til 32. Problemet blev opdaget af Calif.io i samarbejde med Claude og Anthropic Research.<\/p>\n<p>Interne forbedringer:<\/p>\n<ul>\n<li>For\u00e6ldede kodefragmenter, der stammer fra underst\u00f8ttelse af SSLv2 og SSLv3\/TLS 1.0, er blevet fjernet.<\/li>\n<li>ec_point_cmp() er blevet omskrevet.<\/li>\n<li>En hurtig sti til velkendte DH-primer er tilf\u00f8jet i DH_check(), herunder tal fra RFC 7919.<\/li>\n<\/ul>\n<p>Kompatibilitets\u00e6ndringer:<\/p>\n<ul>\n<li>Mange ubrugte makroer BN_* med uinformative navne (BN_LONG, BN_BITS4, BN_MASK2 osv.) er blevet fjernet.<\/li>\n<li>openssl(1) cms accepterer ikke l\u00e6ngere de unsupported -compress og -uncompress n\u00f8gler.<\/li>\n<li>Flaget PKCS7_NO_DUAL_CONTENT er blevet tilf\u00f8jet for kompatibelt adf\u00e6rd med nogle bindings sprog.<\/li>\n<\/ul>\n<p>Fejlrettelser:<\/p>\n<ul>\n<li>Hukommelsesl\u00e6kager i CMS_EncryptedData_encrypt() og nref_nos() er blevet rettet.<\/li>\n<li>Kodningen af bitstrenge med afsluttende nuller er blevet rettet.<\/li>\n<li>Nedbrud ved parsing af PKCS#12 og timestamp-svar er blevet rettet.<\/li>\n<li>Flere fejl i libtls (l\u00e6ngdekontrol, konsistens i fejlmeddelelser) er blevet rettet.<\/li>\n<\/ul>\n<p>Andet:<\/p>\n<ul>\n<li>I libssl er der tilf\u00f8jet st\u00f8tte til RSASSA-PSS-algoritmen med OID.<\/li>\n<li>Funktionerne X509_VERIFY_PARAM_set_hostflags() og SSL_SESSION_dup() er blevet tilf\u00f8jet til det offentlige API.<\/li>\n<li>BIGNUM bruger nu standard C99-typer (uint64_t\/uint32_t), hvilket l\u00f8ser problemer p\u00e5 64-bit Windows.<\/li>\n<\/ul>\n<p>Kilde: <a rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/bsd\/18270274\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 LibreSSL \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0435 \u0432\u0435\u0440\u0441\u0438\u0438 4.3.0, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0443\u0436\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u043d\u0430 \u0437\u0435\u0440\u043a\u0430\u043b\u0430\u0445 OpenBSD. \u042d\u0442\u043e development-\u0432\u044b\u043f\u0443\u0441\u043a \u0434\u043b\u044f \u0432\u0435\u0442\u043a\u0438 4.3.x, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u0438\u0437\u044b\u0432\u0430\u044e\u0442 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u043a \u0430\u043a\u0442\u0438\u0432\u043d\u043e\u043c\u0443 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e. \u0414\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0438\u0445 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 API \u0438 ABI \u0432 \u0432\u0435\u0442\u043a\u0435 4.3 \u043d\u0435 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u043c \u043d\u043e\u0432\u043e\u0432\u0432\u0435\u0434\u0435\u043d\u0438\u0435\u043c \u044d\u0442\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u0441\u0442\u0430\u043b\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u043e\u0441\u0442\u043a\u0432\u0430\u043d\u0442\u043e\u0432\u043e\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u0430 \u043e\u0431\u043c\u0435\u043d\u0430 \u043a\u043b\u044e\u0447\u0430\u043c\u0438 MLKEM768_X25519 \u0432 TLS \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u0447\u0435\u0440\u043d\u043e\u0432\u0438\u043a\u043e\u043c IETF draft-ietf-tls-ecdhe-mlkem. \u0423\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 [&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-169694","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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