{"id":182829,"date":"2026-08-11T04:54:30","date_gmt":"2026-08-11T02:54:31","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/clamav-1-5-4-i-1-4-6"},"modified":"2026-08-11T04:54:30","modified_gmt":"2026-08-11T02:54:31","slug":"clamav-1-5-4-i-1-4-6","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/clamav-1-5-4-i-1-4-6","title":{"rendered":"ClamAV 1.5.4 a 1.4.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><a rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/images\/23865\/original.jpg\">           <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/08\/b481964852b08c053e35852054a3949b.jpg\" style=\"display:block;margin: 0 auto;\" \/>         <\/a>                <a rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/images\/23866\/original.jpg\">           <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/08\/7aa87c2eb8a1b4fbbbaa661b5c93c476.jpg\" style=\"display:block;margin: 0 auto;\" \/>         <\/a>                                              <noindex>          <a rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/images\/23865\/original.jpg\" class=\"active\"><\/a><\/noindex>                                                      <a rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/images\/23866\/original.jpg\"><\/a>                                             <a rel=\"nofollow\" id=\"memories_button\" href=\"#\" title=\"Sledovat\"><i class=\"icon-bell\"><\/i><\/a><br \/>1                            <\/p>\n<p>7. srpna byly zve\u0159ejn\u011bny opravy voln\u011b dostupn\u00e9ho antivirov\u00e9ho bal\u00ed\u010dku <strong>ClamAV 1.5.4 a 1.4.6<\/strong>. Nov\u00e9 verze se zam\u011b\u0159uj\u00ed na zabezpe\u010den\u00ed: v aktu\u00e1ln\u00ed v\u011btvi 1.5 bylo uzav\u0159eno osm CVE, z nich\u017e \u0161est bylo tak\u00e9 opraveno ve podporovan\u00e9 v\u011btvi 1.4. D\u00e1le byla odstran\u011bna chyba v clamd, kter\u00e1 mohla v\u00e9st k \u00faniku obsahu pam\u011bti procesu.<\/p>\n<p>V <strong>ClamAV 1.5.4<\/strong> byly opraveny n\u00e1sleduj\u00edc\u00ed zranitelnosti:<\/p>\n<ul>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20337\">CVE-2026-20337<\/a> \u2014 chyba p\u0159i po\u010d\u00edt\u00e1n\u00ed velikosti ZIP adres\u00e1\u0159e mohla v\u00e9st k z\u00e1pisu mimo vyhrazen\u00fd v pam\u011bti buffer p\u0159i indexov\u00e1n\u00ed lok\u00e1ln\u00edch hlavi\u010dek soubor\u016f. Opraven\u00e9 verze ClamAV 1.5.0\u20131.5.3.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20338\">CVE-2026-20338<\/a> \u2014 chyba spr\u00e1vy pam\u011bti p\u0159i slou\u010den\u00ed z\u00e1znam\u016f ZIP adres\u00e1\u0159e mohla v\u00e9st k nespr\u00e1vn\u00e9mu uvoln\u011bn\u00ed pam\u011bti p\u0159i zpracov\u00e1n\u00ed speci\u00e1ln\u011b vytvo\u0159en\u00e9ho archivu. Takt\u00e9\u017e postihovala pouze v\u011btev 1.5.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20345\">CVE-2026-20345<\/a> \u2014 chyba indexov\u00e1n\u00ed p\u0159i p\u0159evodu n\u00e1zv\u016f GPT odd\u00edl\u016f umo\u017enila \u010d\u00edst nebo zapisovat data mimo strukturu odd\u00edlu um\u00edst\u011bnou na z\u00e1sobn\u00edku. Probl\u00e9m byl p\u0159\u00edtomen od verze ClamAV 0.98.2.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20339\">CVE-2026-20339<\/a> \u2014 celo\u010d\u00edseln\u00fd p\u0159ete\u010den\u00ed v dekompresoru PESpin mohlo v\u00e9st k alokaci p\u0159\u00edli\u0161 mal\u00e9ho bufferu s n\u00e1sledn\u00fdm z\u00e1pisem za jeho hranice p\u0159i obnov\u011b PE souboru. Zranitelnost existovala od verze ClamAV 0.90.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20346\">CVE-2026-20346<\/a> \u2014 celo\u010d\u00edseln\u00e9 podte\u010den\u00ed v PDF analyz\u00e1toru mohlo zp\u016fsobit hav\u00e1rii procesu p\u0159i \u010dten\u00ed nespr\u00e1vn\u00e9ho hexadecim\u00e1ln\u00edho \u0159et\u011bzce.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20347\">CVE-2026-20347<\/a> \u2014 celo\u010d\u00edseln\u00e9 p\u0159ete\u010den\u00ed a nedefinovan\u00e9 chov\u00e1n\u00ed v Mach-O analyz\u00e1toru mohly v\u00e9st k p\u00e1du skeneru p\u0159i kontrole speci\u00e1ln\u011b vytvo\u0159en\u00e9ho souboru.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20348\">CVE-2026-20348<\/a> \u2014 chyby p\u0159i kontrole velikost\u00ed v XAR analyz\u00e1toru umo\u017enily vyvolat nadm\u011brnou alokaci pam\u011bti nebo p\u0159ekro\u010dit stanoven\u00e9 limity skenov\u00e1n\u00ed p\u0159i dekompresi po\u0161kozen\u00e9 tabulky obsahu.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2025-8088\">CVE-2025-8088<\/a> \u2014 do knihovny UnRAR dod\u00e1van\u00e9 s ClamAV bylo p\u0159eneseno upstream oprava. Na Windows mohly odd\u011blova\u010de cest v n\u00e1zvech alternativn\u00edch NTFS proud\u016f umo\u017enit extrakci dat mimo do\u010dasn\u00fd adres\u00e1\u0159 ClamAV.<\/li>\n<\/ul>\n<p> <noindex><\/p>\n<p>V <strong>ClamAV 1.4.6<\/strong> byly opraveny \u0161est z uveden\u00fdch zranitelnost\u00ed: <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20345\">CVE-2026-20345<\/a>, <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20339\">CVE-2026-20339<\/a>, <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20346\">CVE-2026-20346<\/a>, <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20347\">CVE-2026-20347<\/a>, <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20348\">CVE-2026-20348<\/a> a <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2025-8088\">CVE-2025-8088<\/a>. Dva probl\u00e9my zpracovatele ZIP \u2014 <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20337\">CVE-2026-20337<\/a> a <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20338\">CVE-2026-20338<\/a> \u2014 se t\u00fdkaj\u00ed k\u00f3du v\u011btve 1.5 a proto pro 1.4 nejsou relevantn\u00ed.<\/p>\n<p><\/noindex> <\/p>\n<p>Samostatn\u011b v\u00fdvoj\u00e1\u0159i odstranili dlouhodob\u00fd probl\u00e9m s vl\u00e1kny bezpe\u010dnosti p\u0159\u00edkazu <strong>clamd STATISTIKY<\/strong>. P\u0159i sou\u010dasn\u00e9m prov\u00e1d\u011bn\u00ed skenov\u00e1n\u00ed a po\u017eadavk\u016f na statistiky mohla z\u00e1vada v\u00e9st k odhalen\u00ed dat z pam\u011bti procesu nebo k p\u00e1du d\u00e9mona. Chyba byla p\u0159\u00edtomna v ClamAV od verze 0.95. Tak\u00e9 byla opravena zpracov\u00e1n\u00ed \u010d\u00e1ste\u010dn\u00e9ho z\u00e1znamu do socketu p\u0159i odes\u00edl\u00e1n\u00ed velk\u00fdch odpov\u011bd\u00ed STATISTIKY. Oprava je zahrnuta v obou nov\u00fdch verz\u00edch.<\/p>\n<p>Pro FreeBSD znovu funguje bezpe\u010dn\u00e1 pr\u00e1ce operac\u00ed p\u0159esouv\u00e1n\u00ed do karant\u00e9ny a odstra\u0148ov\u00e1n\u00ed soubor\u016f. V 1.5.4 byla nav\u00edc odstran\u011bna \u00fanik kontextu OpenSSL p\u0159i pr\u00e1ci zastaral\u00fdch funkc\u00ed hashov\u00e1n\u00ed v n\u011bkter\u00fdch konfigurac\u00edch, zejm\u00e9na p\u0159i nedostupnosti standardn\u00edho poskytovatele v prost\u0159ed\u00ed s FIPS. V obou v\u011btv\u00edch byla aktualizov\u00e1na Rust z\u00e1vislost crossbeam-epoch pro odstran\u011bn\u00ed varov\u00e1n\u00ed. <strong>RUSTSEC-2026-0204<\/strong>.<\/p>\n<p>ClamAV je multiplatformn\u00ed svobodn\u00fd antivirov\u00fd bal\u00edk a sada knihoven pro detekci malware, \u0161iroce pou\u017e\u00edvan\u00fd na Linuxov\u00fdch a po\u0161tovn\u00edch serverech. Projekt je \u0161\u00ed\u0159en pod licenc\u00ed <strong>GNU GPLv2<\/strong>.<\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/security\/18354803\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>1 7 \u0430\u0432\u0433\u0443\u0441\u0442\u0430 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0430\u043d\u0442\u0438\u0432\u0438\u0440\u0443\u0441\u043d\u043e\u0433\u043e \u043f\u0430\u043a\u0435\u0442\u0430 ClamAV 1.5.4 \u0438 1.4.6. \u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0432 \u043d\u043e\u0432\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0443\u0434\u0435\u043b\u0435\u043d\u043e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438: \u0432 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0435 1.5 \u0437\u0430\u043a\u0440\u044b\u0442\u043e \u0432\u043e\u0441\u0435\u043c\u044c CVE, \u0448\u0435\u0441\u0442\u044c \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0442\u0430\u043a\u0436\u0435 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0432\u0435\u0442\u043a\u0435 1.4. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432 clamd, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u0430\u044f \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442\u044c \u043a \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u044e \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430. \u0412 ClamAV 1.5.4 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182829","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Emin Berklin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/news\/clamav-1-5-4-i-1-4-6\" \/>\n\t\t<meta name=\"generator\" 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