{"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\/sk\/blog\/news\/libressl-4-3-0","title":{"rendered":"LibreSSL 4.3.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projekt LibreSSL ozn\u00e1mil vydanie verzie 4.3.0, ktor\u00e1 je u\u017e dostupn\u00e1 na zrkadl\u00e1ch OpenBSD.<\/p>\n<p>Toto je development-vydanie pre vetvu 4.3.x, preto v\u00fdvoj\u00e1ri vyz\u00fdvaj\u00fa komunitu k akt\u00edvnemu testovaniu. \u010eal\u0161ie zmeny API a ABI v vetve 4.3 nie s\u00fa pl\u00e1novan\u00e9.<\/p>\n<p>K\u013e\u00fa\u010dov\u00fdm novinkou tejto verzie je podpora postkvantovej met\u00f3dy v\u00fdmeny k\u013e\u00fa\u010dov MLKEM768_X25519 v TLS v s\u00falade s n\u00e1vrhom IETF draft-ietf-tls-ecdhe-mlkem. Opraven\u00e1 bola chyba \u201eoff-by-one\u201c v kontrole h\u013abky certifik\u00e1tu X.509, ktor\u00e1 mohla vies\u0165 k prep\u00edsaniu 4 bajtov v pam\u00e4ti pri pr\u00e1ci s \u0161kodliv\u00fdm <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/dts-prohoster\/\" title=\"serverom\" data-wpil-keyword-link=\"linked\">serverom<\/a> alebo pri zapnutej kontrole klientsk\u00fdch certifik\u00e1tov. Maxim\u00e1lna h\u013abka je teraz obmedzen\u00e1 na 32. Probl\u00e9m bol objaven\u00fd spolo\u010dnos\u0165ou Calif.io v spolupr\u00e1ci s Claude a Anthropic Research.<\/p>\n<p>Intern\u00e9 vylep\u0161enia:<\/p>\n<ul>\n<li>Odstr\u00e1nen\u00e9 zastaran\u00e9 fragmenty k\u00f3du, ktor\u00e9 zostali z podpory SSLv2 a SSLv3\/TLS 1.0.<\/li>\n<li>Prepis ec_point_cmp().<\/li>\n<li>Do DH_check() bol pridan\u00fd r\u00fdchly priechod pre dobre zn\u00e1me prvo\u010d\u00edsla DH, vr\u00e1tane \u010d\u00edsel z RFC 7919.<\/li>\n<\/ul>\n<p>Zmeny v kompatibilite:<\/p>\n<ul>\n<li>Odstr\u00e1nen\u00e9 mno\u017estvo nepou\u017e\u00edvan\u00fdch makier BN_* s neinformat\u00edvnymi n\u00e1zvami (BN_LONG, BN_BITS4, BN_MASK2 a \u010fal\u0161ie).<\/li>\n<li>openssl(1) cms u\u017e neprij\u00edma nepodporovan\u00e9 k\u013e\u00fa\u010de -compress a -uncompress.<\/li>\n<li>Pridan\u00e1 vlajka PKCS7_NO_DUAL_CONTENT pre kompatibiln\u00e9 spr\u00e1vanie s niektor\u00fdmi jazykov\u00fdmi v\u00e4zbami.<\/li>\n<\/ul>\n<p>Opravy ch\u00fdb:<\/p>\n<ul>\n<li>Opraven\u00e9 \u00faniky pam\u00e4te v CMS_EncryptedData_encrypt() a nref_nos().<\/li>\n<li>Opraven\u00e9 k\u00f3dovanie bitov\u00fdch re\u0165azcov s koncov\u00fdmi nulami.<\/li>\n<li>Opraven\u00fd p\u00e1d pri parsovan\u00ed PKCS#12 a odpoved\u00ed timestamp.<\/li>\n<li>Opraven\u00e9 mno\u017estvo ch\u00fdb v libtls (kontroly d\u013a\u017eky, konzistencia chybov\u00fdch spr\u00e1v).<\/li>\n<\/ul>\n<p>Ostatn\u00e9:<\/p>\n<ul>\n<li>V libssl bola pridan\u00e1 podpora algoritmu RSASSA-PSS s OID.<\/li>\n<li>Do verejn\u00e9ho API boli pridan\u00e9 funkcie X509_VERIFY_PARAM_set_hostflags() a SSL_SESSION_dup().<\/li>\n<li>BIGNUM teraz vyu\u017e\u00edva \u0161tandardn\u00e9 typy C99 (uint64_t\/uint32_t), \u010do opravuje probl\u00e9my na 64-bitov\u00fdch Windows.<\/li>\n<\/ul>\n<p>Zdroj: <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 5.0.4 - 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