{"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\/pt\/blog\/news\/clamav-1-5-4-i-1-4-6","title":{"rendered":"ClamAV 1.5.4 e 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=\"Monitorar\"><i class=\"icon-bell\"><\/i><\/a><br \/>1                            <\/p>\n<p>Em 7 de agosto, foram publicadas atualiza\u00e7\u00f5es corretivas para o pacote antiv\u00edrus gratuito <strong>ClamAV 1.5.4 e 1.4.6<\/strong>. O foco nas novas vers\u00f5es foi a seguran\u00e7a: na vers\u00e3o atual 1.5, oito CVEs foram corrigidos, sendo que seis deles tamb\u00e9m foram resolvidos na vers\u00e3o suportada 1.4. Al\u00e9m disso, um problema no clamd que poderia levar \u00e0 exposi\u00e7\u00e3o do conte\u00fado da mem\u00f3ria do processo foi resolvido.<\/p>\n<p>Em <strong>ClamAV 1.5.4<\/strong> foram corrigidas as seguintes vulnerabilidades:<\/p>\n<ul>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20337\">CVE-2026-20337<\/a> \u2014 um erro no c\u00e1lculo do tamanho do diret\u00f3rio ZIP poderia levar a grava\u00e7\u00f5es al\u00e9m do buffer reservado na mem\u00f3ria ao indexar cabe\u00e7alhos locais de arquivos. As vers\u00f5es vulner\u00e1veis do ClamAV s\u00e3o 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 um erro de gerenciamento de mem\u00f3ria ao combinar entradas de diret\u00f3rio ZIP poderia causar a libera\u00e7\u00e3o incorreta de mem\u00f3ria ao processar um arquivo criado especificamente. Isso afetava apenas a vers\u00e3o 1.5.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20345\">CVE-2026-20345<\/a> \u2014 um erro de indexa\u00e7\u00e3o ao converter nomes de parti\u00e7\u00f5es GPT permitia ler ou gravar dados al\u00e9m da estrutura da parti\u00e7\u00e3o, alocada na pilha. O problema estava presente desde o 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 um estouro de inteiro no descompactador PESpin poderia resultar na aloca\u00e7\u00e3o de um buffer muito pequeno, seguida pela grava\u00e7\u00e3o al\u00e9m de seus limites ao restaurar um arquivo PE. Essa vulnerabilidade existia desde o ClamAV 0.90.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20346\">CVE-2026-20346<\/a> \u2014 um estouro de inteiro para baixo no analisador de PDF poderia causar uma falha no processo ao ler uma string hexadecimal inv\u00e1lida.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20347\">CVE-2026-20347<\/a> \u2014 um estouro de inteiro e comportamento indefinido no analisador Mach-O poderiam causar a falha do scanner ao verificar um arquivo especialmente moldado.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20348\">CVE-2026-20348<\/a> \u2014 erros de verifica\u00e7\u00e3o de tamanho no analisador XAR permitiram causar aloca\u00e7\u00e3o excessiva de mem\u00f3ria ou ultrapassar os limites definidos ao descompactar uma tabela de conte\u00fado corrompida.<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2025-8088\">CVE-2025-8088<\/a> \u2014 foi transferida para a biblioteca UnRAR fornecida com o ClamAV uma corre\u00e7\u00e3o upstream. No Windows, separadores de caminho dentro de nomes de fluxos alternativos NTFS poderiam permitir a extra\u00e7\u00e3o de dados al\u00e9m do diret\u00f3rio tempor\u00e1rio do ClamAV.<\/li>\n<\/ul>\n<p> <noindex><\/p>\n<p>Em <strong>ClamAV 1.4.6<\/strong> corrigiu seis das vulnerabilidades listadas: <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> e <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2025-8088\">CVE-2025-8088<\/a>. Dois problemas do manipulador ZIP \u2014 <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20337\">CVE-2026-20337<\/a> e <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-20338\">CVE-2026-20338<\/a> \u2014 est\u00e3o relacionados ao c\u00f3digo da vers\u00e3o 1.5 e, portanto, n\u00e3o s\u00e3o pertinentes \u00e0 vers\u00e3o 1.4.<\/p>\n<p><\/noindex> <\/p>\n<p>Separadamente, os desenvolvedores resolveram um antigo problema de seguran\u00e7a de thread do comando <strong>clamd ESTAT\u00cdSTICAS<\/strong>. Ao realizar a varredura e solicita\u00e7\u00f5es de estat\u00edsticas simultaneamente, uma corrida poderia resultar na divulga\u00e7\u00e3o de dados da mem\u00f3ria do processo ou na falha do daemon. O erro estava presente no ClamAV desde a vers\u00e3o 0.95. Tamb\u00e9m foi corrigido o tratamento de grava\u00e7\u00e3o parcial no socket ao enviar grandes respostas de ESTAT\u00cdSTICAS. A corre\u00e7\u00e3o est\u00e1 inclu\u00edda em ambas as novas vers\u00f5es.<\/p>\n<p>Para FreeBSD, a opera\u00e7\u00e3o segura de mover e excluir arquivos em quarentena est\u00e1 funcionando novamente. Na vers\u00e3o 1.5.4, tamb\u00e9m foi corrigido um vazamento de contexto do OpenSSL ao usar fun\u00e7\u00f5es de hash obsoletas em algumas configura\u00e7\u00f5es, particularmente quando o provedor padr\u00e3o n\u00e3o est\u00e1 dispon\u00edvel em um ambiente com FIPS. Em ambos os ramos, a depend\u00eancia Rust crossbeam-epoch foi atualizada para remover um aviso. <strong>RUSTSEC-2026-0204<\/strong>.<\/p>\n<p>ClamAV \u00e9 um pacote antiv\u00edrus livre e multiplataforma, al\u00e9m de um conjunto de bibliotecas para detectar malware, amplamente utilizado em servidores Linux e de e-mail. O projeto \u00e9 distribu\u00eddo sob a licen\u00e7a <strong>GNU GPLv2<\/strong>.<\/p>\n<p>Fonte: <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\/pt\/blog\/news\/clamav-1-5-4-i-1-4-6\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"pt_PT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47ClamAV 1.5.4 \u0438 1.4.6 | ProHoster\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/pt\/blog\/news\/clamav-1-5-4-i-1-4-6\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-08-11T02:54:31+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-08-11T02:54:31+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47ClamAV 1.5.4 e 1.4.6 | ProHoster","description":"","canonical_url":"https:\/\/prohoster.info\/pt\/blog\/news\/clamav-1-5-4-i-1-4-6","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pt_PT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47ClamAV 1.5.4 \u0438 1.4.6 | ProHoster","og:url":"https:\/\/prohoster.info\/pt\/blog\/news\/clamav-1-5-4-i-1-4-6","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-08-11T02:54:31+00:00","article:modified_time":"2026-08-11T02:54:31+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"182829","title":null,"description":null,"keywords":null,"keyphrases":{"focus":[],"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2026-08-11 06:43:48","updated":"2026-08-11 06:43:48","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/182829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/comments?post=182829"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/182829\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/media?parent=182829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/categories?post=182829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/tags?post=182829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}