{"id":3702,"date":"2026-10-21T10:00:00","date_gmt":"2026-10-21T08:00:00","guid":{"rendered":"https:\/\/lanvnet.com\/?p=3702"},"modified":"2026-10-23T11:27:04","modified_gmt":"2026-10-23T09:27:04","slug":"php-vulnerabilitat-critica-actualitzacio-seguretat","status":"publish","type":"post","link":"https:\/\/lanvnet.com\/ca\/php-vulnerabilitat-critica-actualitzacio-seguretat\/","title":{"rendered":"PHP publica una actualitzaci\u00f3 d&#8217;emerg\u00e8ncia per dues vulnerabilitats cr\u00edtiques"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00bb1&#8243; inner_shadow=\u00bbon\u00bb fullwidth=\u00bbon\u00bb admin_label=\u00bbsection\u00bb _builder_version=\u00bb4.27.0&#8243; background_enable_color=\u00bboff\u00bb background_image=\u00bbhttps:\/\/lanvnet.com\/wp-content\/uploads\/2024\/09\/bg-hosting-3.jpg\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_fullwidth_header title=\u00bbPHP publica una actualitzaci\u00f3 d&#8217;emerg\u00e8ncia per dues vulnerabilitats cr\u00edtiques\u00bb subhead=\u00bbNot\u00edcies\u00bb header_image_url=\u00bbhttps:\/\/lanvnet.com\/wp-content\/uploads\/2026\/10\/noticia-php-b-cab-ca.png\u00bb image_alt=\u00bbActualitzaci\u00f3 d&#8217;emerg\u00e8ncia de PHP: terminal amb PHP 8.3.36 i la gravetat 9,2 sobre 10 de les dues vulnerabilitats cr\u00edtiques\u00bb content_max_width=\u00bbnone\u00bb admin_label=\u00bbT\u00edtulo de anchura completa\u00bb _builder_version=\u00bb4.27.0&#8243; background_color=\u00bbrgba(255,255,255,0.87)\u00bb background_enable_image=\u00bboff\u00bb background_layout=\u00bblight\u00bb background_url=\u00bbhttps:\/\/lanvnet.com\/templates\/gk_cloudhost\/images\/header_wide.jpg\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_fullwidth_header][\/et_pb_section][et_pb_section fb_built=\u00bb1&#8243; admin_label=\u00bbsection\u00bb _builder_version=\u00bb4.27.0&#8243; custom_padding=\u00bb40px||60px||false|false\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_row admin_label=\u00bbrow\u00bb _builder_version=\u00bb4.27.0&#8243; max_width=\u00bb760px\u00bb module_alignment=\u00bbcenter\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.27.0&#8243; global_colors_info=\u00bb{}\u00bb][et_pb_text admin_label=\u00bbTexto\u00bb _builder_version=\u00bb4.27.0&#8243; text_line_height=\u00bb1.7em\u00bb global_colors_info=\u00bb{}\u00bb]<\/p>\n<p style=\"margin:0 0 1.4em;line-height:1.7\">Not\u00edcia del 21 d&#8217;octubre de 2026. El projecte PHP ha publicat una <strong>actualitzaci\u00f3 de seguretat d&#8217;emerg\u00e8ncia<\/strong> que corregeix <strong>dues vulnerabilitats cr\u00edtiques<\/strong> d&#8217;execuci\u00f3 remota de codi. Els investigadors les coneixen com <strong>PHP2Shell<\/strong> i estan catalogades com a CVE-2026-109618 i CVE-2026-109619 i puntuen <strong>9,2 sobre 10<\/strong> de gravetat.<\/p>\n<p style=\"margin:0 0 1.4em;line-height:1.7\">Si ja confies en el nostre <a href=\"https:\/\/lanvnet.com\/ca\/hosting\/linux\/\">hosting Linux<\/a>, ets en bones mans: vam aplicar l&#8217;actualitzaci\u00f3 <strong>en menys de 12 hores<\/strong> des que es va publicar. <a href=\"https:\/\/lanvnet.com\/ca\/hosting\/php-actualitzat\/\">Aix\u00ed ho fem<\/a>.<\/p>\n<h2 style=\"margin:2.2em 0 .7em;line-height:1.25;padding-bottom:0\">Qu\u00e8 ha passat<\/h2>\n<ul style=\"margin:0 0 1.6em;padding-left:1.4em\">\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Dos errors cr\u00edtics a PHP:<\/strong> poden permetre que un atacant <strong>executi codi al servidor sense necessitat d&#8217;identificar-se<\/strong>.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Afecten el propi PHP, no la teva web:<\/strong> una web amb codi impecable tamb\u00e9 pot quedar exposada si el servidor fa servir una versi\u00f3 de PHP sense peda\u00e7.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Ja hi ha intents d&#8217;explotaci\u00f3:<\/strong> el primer registrat \u00e9s del <strong>17 d&#8217;octubre<\/strong>, <strong>quatre dies abans<\/strong> de la publicaci\u00f3 del peda\u00e7, i hi ha atacs de prova p\u00fablics. Encara no hi ha bretxes confirmades.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>N&#8217;hi ha prou amb una sola petici\u00f3:<\/strong> en servidors amb Apache i mod_php, un atac es pot activar amb <strong>una petici\u00f3 sense identificar<\/strong>, abans que s&#8217;executi el codi del teu web.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>No dep\u00e8n de com estigui muntat el servidor:<\/strong> afecta totes les instal\u00b7lacions que serveixen peticions web, tant amb mod_php com amb PHP-FPM.<\/li>\n<\/ul>\n<h2 style=\"margin:2.2em 0 .7em;line-height:1.25;padding-bottom:0\">Quines versions corregeixen el problema<\/h2>\n<table style=\"width:100%;border-collapse:collapse;margin:1.4em 0\">\n<thead>\n<tr>\n<th style=\"text-align:left;padding:8px 10px;border-bottom:2px solid #f8981d\">Branca de PHP<\/th>\n<th style=\"text-align:left;padding:8px 10px;border-bottom:2px solid #f8981d\">Versi\u00f3 corregida<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:8px 10px;border-bottom:1px solid #e5ddd5;vertical-align:top\">8.5<\/td>\n<td style=\"padding:8px 10px;border-bottom:1px solid #e5ddd5;vertical-align:top\"><strong>8.5.12<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 10px;border-bottom:1px solid #e5ddd5;vertical-align:top\">8.4<\/td>\n<td style=\"padding:8px 10px;border-bottom:1px solid #e5ddd5;vertical-align:top\"><strong>8.4.27<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 10px;border-bottom:1px solid #e5ddd5;vertical-align:top\">8.3<\/td>\n<td style=\"padding:8px 10px;border-bottom:1px solid #e5ddd5;vertical-align:top\"><strong>8.3.36<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 10px;border-bottom:1px solid #e5ddd5;vertical-align:top\">8.2<\/td>\n<td style=\"padding:8px 10px;border-bottom:1px solid #e5ddd5;vertical-align:top\"><strong>8.2.35<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 1.4em;line-height:1.7\">S\u00f3n les <strong>versions amb suport oficial<\/strong>. Per a les branques antigues el projecte PHP no ha publicat una versi\u00f3 nova: t&#8217;ho expliquem a l&#8217;apartat seg\u00fcent.<\/p>\n<h2 style=\"margin:2.2em 0 .7em;line-height:1.25;padding-bottom:0\">I si faig servir una versi\u00f3 antiga de PHP?<\/h2>\n<ul style=\"margin:0 0 1.6em;padding-left:1.4em\">\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Continuen afectades.<\/strong> Les versions sense suport oficial de PHP (la 8.1 i anteriors) tenen el mateix error i el projecte PHP no en publica cap versi\u00f3 nova.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\">Les distribucions Linux amb suport han publicat <strong>paquets corregits<\/strong>, i una actualitzaci\u00f3 normal del sistema els aplica.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\">Les versions molt antigues d&#8217;una distribuci\u00f3 poden rebre la correcci\u00f3 nom\u00e9s amb <strong>suport ampliat de pagament<\/strong>.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\">El paquet corregit conserva el n\u00famero antic, de manera que <strong>el n\u00famero de versi\u00f3 no diu si est\u00e0 apeda\u00e7at<\/strong>. Comprova amb el teu prove\u00efdor que ha aplicat l&#8217;actualitzaci\u00f3.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Un plus al nostre hosting Linux:<\/strong> a m\u00e9s del que inclou la distribuci\u00f3, mantenim altres branques de PHP i els apliquem la mateixa correcci\u00f3.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\">Si no pots actualitzar ara, hi ha mesures temporals (desactivar l&#8217;opci\u00f3 <code style=\"background:#f4eee8;padding:2px 6px;border-radius:4px;word-break:break-word\">session.upload_progress<\/code>, limitar la mem\u00f2ria i la mida de les pujades o restringir l&#8217;acc\u00e9s p\u00fablic), per\u00f2 <strong>redueixen el risc, no l&#8217;eliminen<\/strong>.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\">La soluci\u00f3 \u00e9s <strong>migrar a una versi\u00f3 amb suport<\/strong>, cosa que en webs molt antigues conv\u00e9 planificar i provar abans.<\/li>\n<\/ul>\n<h2 style=\"margin:2.2em 0 .7em;line-height:1.25;padding-bottom:0\">Qu\u00e8 significa per a la teva empresa<\/h2>\n<ul style=\"margin:0 0 1.6em;padding-left:1.4em\">\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Actualitzar PHP \u00e9s l&#8217;\u00fanica soluci\u00f3 completa.<\/strong> Les mesures temporals redueixen el risc, per\u00f2 no cobreixen totes les variants.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>WordPress, botigues en l\u00ednia i altres webs<\/strong> funcionen sobre PHP, de manera que depenen que el servidor estigui al dia.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Si el teu allotjament no el gestiona un tercer,<\/strong> alg\u00fa ha d&#8217;aplicar l&#8217;actualitzaci\u00f3 com m\u00e9s aviat millor.<\/li>\n<\/ul>\n<figure class=\"wp-block-image\" style=\"margin:2em 0\"><img decoding=\"async\" style=\"max-width:100%;height:auto;display:block;margin:0 auto\" src=\"https:\/\/lanvnet.com\/wp-content\/uploads\/2026\/10\/noticia-php-gravedad-inl.png\" alt=\"Versions de PHP corregides: 8.5.12, 8.4.27, 8.3.36 i 8.2.35\" width=\"760\" height=\"507\" loading=\"lazy\" \/><\/figure>\n<h2 style=\"margin:2.2em 0 .7em;line-height:1.25;padding-bottom:0\">Qu\u00e8 fer ara<\/h2>\n<ol style=\"margin:0 0 1.6em;padding-left:1.6em\">\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Esbrina quina versi\u00f3 de PHP fa servir la teva web<\/strong> i qui s&#8217;encarrega d&#8217;actualitzar-la.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Demana al teu prove\u00efdor<\/strong> que confirmi que ja ha aplicat la versi\u00f3 corregida.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Si fas servir una versi\u00f3 antiga,<\/strong> planifica el salt a una versi\u00f3 amb suport.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Mant\u00e9n c\u00f2pies de seguretat<\/strong> recents abans de qualsevol actualitzaci\u00f3.<\/li>\n<li style=\"margin:0 0 .6em;line-height:1.7\"><strong>Si avui no pots aplicar el peda\u00e7,<\/strong> limita l&#8217;acc\u00e9s p\u00fablic al web. Les regles d&#8217;un tallafoc d&#8217;aplicacions web (WAF) ajuden com a peda\u00e7 provisional, i el centre de ciberseguretat brit\u00e0nic (NCSC) recomana valorar <strong>desconnectar<\/strong> els sistemes que no es puguin actualitzar de seguida.<\/li>\n<\/ol>\n<h2 style=\"margin:2.2em 0 .7em;line-height:1.25;padding-bottom:0\">Fonts<\/h2>\n<p style=\"margin:0 0 1.4em;line-height:1.7\">Av\u00eds de seguretat de PHP recollit per <a href=\"https:\/\/cert.europa.eu\/publications\/security-advisories\/2026-018\/\">CERT-EU<\/a>, <a href=\"https:\/\/blog.qualys.com\/vulnerabilities-threat-research\/2026\/10\/20\/php-announces-critical-security-release-for-two-vulnerabilities\">Qualys<\/a>, <a href=\"https:\/\/sansec.io\/research\/php2shell\">Sansec<\/a> i <a href=\"https:\/\/www.helpnetsecurity.com\/2026\/10\/21\/php2shell-php-vulnerabilities-patched-cve-2026-109618-cve-2026-109619\/\">Help Net Security<\/a>.<\/p>\n<h2 style=\"margin:2.2em 0 .7em;line-height:1.25;padding-bottom:0\">Vols oblidar-te de les actualitzacions?<\/h2>\n<p style=\"margin:0 0 1.4em;line-height:1.7\">Al nostre <a href=\"https:\/\/lanvnet.com\/ca\/hosting\/linux\/\">hosting Linux<\/a> ens encarreguem de mantenir PHP i el sistema al dia. <a href=\"https:\/\/lanvnet.com\/ca\/hosting\/php-actualitzat\/\">Descobreix com ho fem<\/a>.<\/p>\n<p style=\"margin:0 0 1.4em;line-height:1.7\"><a href=\"https:\/\/lanvnet.com\/ca\/contacte\/\">Explica&#8217;ns el teu cas<\/a>.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP va publicar el 21 d&#8217;octubre una actualitzaci\u00f3 d&#8217;emerg\u00e8ncia per dues vulnerabilitats cr\u00edtiques. Al nostre hosting la vam aplicar en menys de 12 hores.<\/p>\n","protected":false},"author":0,"featured_media":3793,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0,"footnotes":""},"categories":[140],"tags":[],"class_list":["post-3702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticies"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PHP corregeix dues vulnerabilitats cr\u00edtiques | LanVNet<\/title>\n<meta name=\"description\" content=\"PHP va publicar el 21 d&#039;octubre una actualitzaci\u00f3 d&#039;emerg\u00e8ncia per dues vulnerabilitats cr\u00edtiques. 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