{"id":"CVE-2024-23222","kind":"vulnerability","aliases":["CVE-2024-23222"],"related":[],"title":"A type confusion issue was addressed with improved checks","description":"A type confusion issue was addressed with improved checks. This issue is fixed in Safari 17.3, iOS 15.8.7 and iPadOS 15.8.7, iOS 16.7.5 and iPadOS 16.7.5, iOS 17.3 and iPadOS 17.3, macOS Monterey 12.7.3, macOS Sonoma 14.3, macOS Ventura 13.6.4, tvOS 17.3, visionOS 1.0.2. Processing maliciously crafted web content may lead to arbitrary code execution. This fix associated with the Coruna exploit was shipped in iOS 17.3 on January 22, 2024. This update brings that fix to devices that cannot update to the latest iOS version.","summary":"A type confusion bug in Apple's WebKit engine lets a crafted web page run code when processed by Safari or any app that uses WebKit to render HTML. CISA lists it as actively exploited in the wild.","severity":"high","cvss":8.8,"epss":null,"exploited":true,"exploited_at":"2024-01-23T00:00:00+00:00","products":[{"name":"Apple Multiple Products","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"apple safari","fixed":["17.3"],"affected":"< 17.3","ecosystem":"vendor"},{"name":"apple ipados","fixed":["15.8.7"],"affected":"< 15.8.7","ecosystem":"vendor"},{"name":"apple ipados","fixed":["16.7.5"],"affected":">= 16.0, < 16.7.5","ecosystem":"vendor"},{"name":"apple ipados","fixed":["17.3"],"affected":">= 17.0, < 17.3","ecosystem":"vendor"},{"name":"apple iphone os","fixed":["15.8.7"],"affected":"< 15.8.7","ecosystem":"vendor"},{"name":"apple iphone os","fixed":["16.7.5"],"affected":">= 16.0, < 16.7.5","ecosystem":"vendor"},{"name":"apple iphone os","fixed":["17.3"],"affected":">= 17.0, < 17.3","ecosystem":"vendor"},{"name":"apple macos","fixed":["12.7.3"],"affected":">= 12.0, < 12.7.3","ecosystem":"vendor"},{"name":"apple macos","fixed":["13.6.4"],"affected":">= 13.0, < 13.6.4","ecosystem":"vendor"},{"name":"apple macos","fixed":["14.3"],"affected":">= 14.0, < 14.3","ecosystem":"vendor"},{"name":"apple tvos","fixed":["17.3"],"affected":"< 17.3","ecosystem":"vendor"},{"name":"apple visionos","fixed":["1.0.2"],"affected":"< 1.0.2","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["apple","exploited","ios","ipados","macos","safari","vendor","webkit"],"not_affected_if":["fully-patched-devices"],"how_to_check":"Check the installed OS and Safari versions on each Apple device (Settings > General > About on iOS/iPadOS, About This Mac on macOS).","fix":"Update iOS, iPadOS, macOS, tvOS and Safari to a release that includes Apple's WebKit fix; the sources do not name the exact fixed versions.\nFollow Apple's vendor instructions, or stop using affected products if mitigations are unavailable (CISA guidance).","status":"open","published_at":"2024-01-23T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T21:02:27+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"vendor","confidence":0.7,"triage":{"at":"2026-10-23T21:02:27Z","model":"claude-haiku-5-5","output":{"fix":"Update iOS, iPadOS, macOS, tvOS and Safari to a release that includes Apple's WebKit fix; the sources do not name the exact fixed versions.\nFollow Apple's vendor instructions, or stop using affected products if mitigations are unavailable (CISA guidance).","reach":"internet","impact":"high","summary":"A type confusion bug in Apple's WebKit engine lets a crafted web page run code when processed by Safari or any app that uses WebKit to render HTML. CISA lists it as actively exploited in the wild.","category":"vendor","who_cares":["apple","ios","macos","safari","webkit","ipados"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs code on the device after the victim loads malicious web content.","analyst_note":"Confirm the fixed Apple OS and Safari versions from Apple's security advisory for this CVE; the sources only give the CISA KEV entry.","how_to_check":"Check the installed OS and Safari versions on each Apple device (Settings > General > About on iOS/iPadOS, About This Mac on macOS).\nunknown","needs_analyst":true,"not_affected_if":["fully-patched-devices"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000515,"input_tokens":2882,"output_tokens":454,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2024':11A,14A '-23222':12A,15A '1.0.2':135C '12.7.3':125C '13.6.4':131C '14.3':128C '15.8.7':109C,112C '16.7.5':114C,117C '17.3':107C,119C,122C,133C,158C '2024':162C '22':161C 'activ':87B 'address':6A,97C 'app':76B 'appl':46B,59B 'apple':16A,19A,21A,23A,25A,27A,30A,33A,36A,38A,40A,42A,44A 'arbitrari':144C 'associ':149C 'bring':165C 'bug':57B 'cannot':171C 'check':9A,100C 'cisa':83B 'code':69B,145C 'confus':3A,56B,94C 'content':140C 'coruna':152C 'craft':65B,138C 'cve':10A,13A 'devic':169C 'engin':62B 'execut':146C 'exploit':47B,88B,153C 'fix':104C,148C,167C 'html':82B 'improv':8A,99C 'io':48B,108C,113C,118C,157C,176C 'ipado':49B,111C,116C,121C 'ipados':22A,24A,26A 'iphone':28A,31A,34A 'issu':4A,95C,102C 'januari':160C 'latest':175C 'lead':142C 'let':63B 'list':84B 'maco':50B,123C,126C,129C 'macos':37A,39A,41A 'malici':137C 'may':141C 'monterey':124C 'multiple':17A 'os':29A,32A,35A 'page':67B 'process':71B,136C 'products':18A 'render':81B 'run':68B 'safari':20A,51B,73B,106C 'ship':155C 'sonoma':127C 'tvos':43A,132C 'type':2A,55B,93C 'updat':164C,172C 'use':78B 'vendor':52B 'ventura':130C 'version':177C 'visiono':134C 'visionos':45A 'web':66B,139C 'webkit':53B,61B,79B 'wild':91B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2024-01-23T00:00:00+00:00","kev":{"dateAdded":"2024-01-23","dueDate":"2024-02-13","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2024-23222","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-23222","severity":null,"published_at":"2024-01-23T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T11:39:15+00:00","note":null},{"source":"nvd","external_id":"CVE-2024-23222","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-23222","severity":null,"published_at":"2024-01-23T01:15:11+00:00","modified_at":"2026-06-17T07:12:19+00:00","first_seen_at":"2026-10-23T22:29:05+00:00","fetched_at":"2026-10-23T22:29:05+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}