{"id":25076,"date":"2026-04-23T11:01:00","date_gmt":"2026-04-23T09:01:00","guid":{"rendered":"https:\/\/www.chinasmartbuy.com\/blog\/?p=25076"},"modified":"2026-04-23T09:20:27","modified_gmt":"2026-04-23T07:20:27","slug":"firefox-150-271-vulnerabilita-mythos","status":"publish","type":"post","link":"https:\/\/www.chinasmartbuy.com\/blog\/firefox-150-271-vulnerabilita-mythos\/","title":{"rendered":"Firefox 150 corregge 271 vulnerabilit\u00e0 con Mythos di Anthropic"},"content":{"rendered":"\n\n<style>\n  :root {\n    --red: #CC1B1B;\n    --red-light: rgba(204,27,27,0.08);\n    --red-mid: #e84040;\n    --accent-soft-bg: rgba(204,27,27,0.07);\n    --accent-soft-border: rgba(204,27,27,0.18);\n    --text: #1a1a1a;\n    --text-muted: #666;\n    --card: #ffffff;\n    --border: #ebebeb;\n    --page-bg: #ffffff;\n    --surface-soft: #fafafa;\n    --surface-contrast: #f0f0f0;\n    --line-soft: #f5f5f5;\n    --soft-label: #bbb;\n    --muted-label: #999;\n    --copy: #333;\n    --font-head: 'Bebas Neue', sans-serif;\n    --font-body: 'DM Sans', sans-serif;\n    --heading-spacing: 0.04em;\n    --heading-weight: 400;\n    --spec-header-spacing: 0.08em;\n    --quickfacts-shadow: 0 10px 24px rgba(15,23,42,0.06);\n  }\n  .fbp5-wrap,.fbp5-wrap * { box-sizing:border-box; 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}\n  @media(max-width:600px) {\n    .fbp5-wrap { padding:0 14px 60px; gap:40px; }\n    .fbp5-section h2 { font-size:32px; }\n    .fbp5-scheda-row { flex-direction:column; }\n    .fbp5-scheda-key { width:100%; }\n    .rh-phonebox-header { padding:18px 16px; flex-direction:column; align-items:center; }\n    .rh-phonebox-hero { width:150px; height:200px; }\n    .rh-phonebox-highlights { grid-template-columns:repeat(2,minmax(0,1fr)); }\n    .rh-phonebox-colors { padding:16px; }\n    .rh-phonebox-section { grid-template-columns:1fr; }\n    .rh-phonebox-section-label { padding:14px 20px; border-right:none; border-bottom:1px solid var(--border); }\n    .rh-phonebox-section-values { padding:14px 20px; }\n    .rh-affbox-grid { grid-template-columns:1fr; }\n    .rh-affbox-col:not(:last-child) { border-right:none; border-bottom:1px solid var(--line-soft); }\n    .rh-affbox-cta { width:100%; }\n  }\n<\/style>\n<div class=\"fbp5-wrap rh-json-article\" id=\"rh-article-mob5jh7a-4fvsl\" data-rh-article-type=\"news\" data-rh-site-profile=\"china-smart-buy\">\n  <div class=\"fbp5-intro\">\n    \n    <p>Firefox 150 arriva con un dato che pesa pi\u00f9 di molte altre novit\u00e0 di prodotto: <strong>271 vulnerabilit\u00e0 corrette<\/strong> grazie a Claude Mythos Preview, il modello di Anthropic testato in una collaborazione con Mozilla.<\/p><p>Accanto al tema sicurezza, il rilascio porta anche aggiornamenti pratici per mobile: la funzione <strong>Shake to Summarize<\/strong> sbarca su iPhone in altre cinque lingue, tra cui l\u2019italiano, mentre gli <strong>AI Controls<\/strong> arriveranno su Android e iOS dal 21 maggio per gestire le funzioni basate sull\u2019intelligenza artificiale integrate nel browser.<\/p>\n  <\/div><figure class=\"wp-block-image size-large\" style=\"margin:18px 0;display:block;clear:both;width:100%;position:relative;z-index:1\"><a href=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/04\/firefox-ha-curato-271-vulnerabilit-usando-il-super-modello-mythos-di-ant.jpg\" target=\"_blank\" rel=\"noopener\" style=\"display:block;width:100%;position:relative;z-index:2;pointer-events:auto;cursor:zoom-in\"><img decoding=\"async\" src=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/04\/firefox-ha-curato-271-vulnerabilit-usando-il-super-modello-mythos-di-ant.jpg\" alt=\"Firefox ha curato 271 vulnerabilit\u00e0 usando il super modello Mythos di Anthropic logo ufficiale\" loading=\"lazy\" style=\"display:block;max-width:100%;height:auto;margin:0 auto;pointer-events:auto\"><\/a><\/figure>\n  \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Sicurezza<\/div>\n        <h2>Firefox 150 corregge 271 vulnerabilit\u00e0 trovate da <span>Claude Mythos Preview<\/span><\/h2>\n        <p>La parte pi\u00f9 importante di questo aggiornamento \u00e8 la quantit\u00e0 di bug individuati: <strong>271 vulnerabilit\u00e0<\/strong> emerse durante una valutazione iniziale condotta insieme ad Anthropic. Le falle sono state scoperte da Claude Mythos Preview, un modello distribuito a un gruppo ristretto di partner nell\u2019ambito del progetto Glasswing.<\/p><p>Il dato colpisce perch\u00e9, nei browser diffusi, una singola vulnerabilit\u00e0 critica pu\u00f2 gi\u00e0 essere considerata un caso da massima attenzione. Qui il salto \u00e8 evidente: la revisione automatizzata ha prodotto una massa di risultati molto pi\u00f9 ampia di quella vista in precedenza con altri test, segno che il modello sta diventando utile non solo per trovare bug, ma per scalare il lavoro di analisi su base molto pi\u00f9 larga.<\/p>\n        <ul class=\"fbp5-bullet-list\"><li>Le 271 correzioni riguardano Firefox 150, rilasciato questa settimana.<\/li><li>A febbraio Mozilla aveva gi\u00e0 corretto 22 bug in Firefox 148 usando Claude Opus 4.6.<\/li><li>Non sono state indicate le gravit\u00e0 delle singole vulnerabilit\u00e0.<\/li><li>Mozilla ha descritto la fase iniziale come disorientante, poi pi\u00f9 incoraggiante.<\/li><\/ul>\n        <div class=\"rh-quickfacts-grid\">\n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Vulnerabilit\u00e0 corrette<\/div>\n        <div class=\"rh-quickfacts-value\">271<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Modello usato<\/div>\n        <div class=\"rh-quickfacts-value\">Claude Mythos Preview<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Collaborazione<\/div>\n        <div class=\"rh-quickfacts-value\">Mozilla e Anthropic<\/div>\n      <\/div>\n    <\/div>\n        <div class=\"fbp5-highlight\">Il punto chiave non \u00e8 solo il numero di vulnerabilit\u00e0 trovate, ma il fatto che un modello AI abbia iniziato a raggiungere il livello di ragionamento tipicamente attribuito a un ricercatore umano esperto, con tempi molto pi\u00f9 rapidi.<\/div>\n        <div class=\"fbp5-info\">Mozilla ha anche avvertito, in modo implicito, che uno strumento del genere va usato prima di ogni distribuzione del browser, altrimenti potrebbe essere sfruttato anche da chi attacca anzich\u00e9 da chi difende.<\/div>\n        \n      <\/section>\n    \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Tecnologia<\/div>\n        <h2>Perch\u00e9 Mythos cambia il modo di cercare <span>bug nel codice<\/span><\/h2>\n        <p>Finora l\u2019analisi automatica della sicurezza si \u00e8 basata soprattutto sul fuzzing, cio\u00e8 sull\u2019invio di input casuali al software per forzare comportamenti anomali. \u00c8 una tecnica utile, ma lascia scoperti i punti di codice pi\u00f9 difficili da raggiungere in modo dinamico.<\/p><p>Qui entra in gioco Mythos Preview: secondo Mozilla, il modello riesce a ragionare sul sorgente con una profondit\u00e0 paragonabile a quella di un ricercatore umano esperto, ma in meno tempo. \u00c8 una differenza importante, perch\u00e9 sposta il baricentro dalla semplice ricerca di errori casuali alla lettura strutturata del codice.<\/p><p>L\u2019efficacia del sistema era gi\u00e0 emersa in test precedenti, con la scoperta di una falla vecchia di 27 anni in OpenBSD, una di 16 anni in FFmpeg e di una catena di bug nel kernel Linux capace di portare da un accesso utente ordinario al controllo completo della macchina.<\/p>\n        <ul class=\"fbp5-bullet-list\"><li>Il fuzzing resta utile, ma non copre bene i punti pi\u00f9 complessi del codice.<\/li><li>Mythos Preview prova a colmare quel vuoto con un\u2019analisi pi\u00f9 simile a quella umana.<\/li><li>Mozilla dice di non aver trovato categorie di vulnerabilit\u00e0 che il modello non riesca a replicare.<\/li><li>L\u2019obiettivo \u00e8 trovare i bug prima della distribuzione pubblica.<\/li><\/ul>\n        <div class=\"rh-quickfacts-grid\">\n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Approccio tradizionale<\/div>\n        <div class=\"rh-quickfacts-value\">Fuzzing<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Limite principale<\/div>\n        <div class=\"rh-quickfacts-value\">Zone di codice difficili da raggiungere<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Punto di forza dell\u2019AI<\/div>\n        <div class=\"rh-quickfacts-value\">Ragionamento sul codice sorgente<\/div>\n      <\/div>\n    <\/div>\n        <div class=\"fbp5-highlight\">Se il risultato verr\u00e0 confermato nel tempo, l\u2019analisi di sicurezza potrebbe passare da una caccia lenta e selettiva ai bug a un controllo molto pi\u00f9 ampio prima di ogni rilascio.<\/div>\n        <div class=\"fbp5-info\">L\u2019uso di modelli cos\u00ec potenti richiede per\u00f2 attenzione: la stessa capacit\u00e0 di individuare vulnerabilit\u00e0 pu\u00f2 essere sfruttata anche in senso opposto se finisce nelle mani sbagliate.<\/div>\n        \n      <div class=\"fbp5-scheda\">\n        <div class=\"fbp5-scheda-header\">Confronto sintetico dei metodi citati<\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Fuzzing<\/div>\n            <div class=\"fbp5-scheda-val\">Efficace per stressare il software, ma meno preciso sui casi complessi.<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Analisi umana esperta<\/div>\n            <div class=\"fbp5-scheda-val\">Pi\u00f9 lenta, ma capace di ragionare direttamente sul codice.<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Mythos Preview<\/div>\n            <div class=\"fbp5-scheda-val\">Unisce il ragionamento sul codice a tempi di analisi molto pi\u00f9 rapidi.<\/div>\n          <\/div>\n        \n      <\/div>\n    \n      <\/section>\n    \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Mobile<\/div>\n        <h2>Su iPhone arrivano pi\u00f9 lingue per Shake to Summarize e gli AI Controls<\/h2>\n        <p>Firefox 150 non si limita alla sicurezza. Sul fronte mobile, la funzione <strong>Shake to Summarize<\/strong> si estende agli utenti iOS in tedesco, francese, spagnolo, portoghese e italiano. La funzione permette di generare un riassunto della pagina corrente agitando o toccando lo schermo.<\/p><p>Finora questa opzione era disponibile solo in inglese. Il supporto ad Android \u00e8 previsto in una fase successiva, quindi il rollout resta per ora pi\u00f9 completo su iPhone.<\/p><p>In arrivo anche gli <strong>AI Controls<\/strong>, che consentono di attivare o disattivare singolarmente le funzioni basate sull\u2019intelligenza artificiale integrate nel browser. Il rilascio su Android e iOS \u00e8 previsto dal 21 maggio.<\/p>\n        <ul class=\"fbp5-bullet-list\"><li>Shake to Summarize arriva su iOS anche in italiano.<\/li><li>Le altre nuove lingue sono tedesco, francese, spagnolo e portoghese.<\/li><li>Android ricever\u00e0 il supporto in un secondo momento.<\/li><li>Gli AI Controls arrivano dal 21 maggio su Android e iOS.<\/li><\/ul>\n        <div class=\"rh-quickfacts-grid\">\n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Piattaforma iniziale<\/div>\n        <div class=\"rh-quickfacts-value\">iOS<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Lingue aggiunte<\/div>\n        <div class=\"rh-quickfacts-value\">5<\/div>\n      <\/div>\n    <\/div>\n        <div class=\"fbp5-highlight\">Per chi usa Firefox su mobile, il rilascio \u00e8 interessante soprattutto per il controllo granulare sulle funzioni AI e per l\u2019allargamento della sintesi automatica a pi\u00f9 lingue, italiano incluso.<\/div>\n        <div class=\"fbp5-info\">L\u2019aggiornamento mobile segue una direzione chiara: pi\u00f9 funzioni automatiche, ma con maggiore possibilit\u00e0 di decidere cosa lasciare attivo e cosa no.<\/div>\n        \n      <\/section>\n    \n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Firefox 150 corregge 271 vulnerabilit\u00e0 scoperte da Claude Mythos Preview e aggiorna le funzioni AI su iOS con supporto anche in italiano.<\/p>\n","protected":false},"author":5,"featured_media":25075,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_yoast_wpseo_focuskw_text_input":"Firefox 150 vulnerabilit\u00e0 Mythos 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