{"id":"CVE-2023-37450","kind":"vulnerability","aliases":["CVE-2023-37450"],"related":[],"title":"The issue was addressed with improved checks","description":"Apple iOS, iPadOS, macOS, and Safari WebKit contain an unspecified vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.\n\nCISA required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.","summary":"A WebKit flaw in Apple iOS, iPadOS, macOS and Safari lets a malicious web page run code when the page is processed. CISA lists it as actively exploited.","severity":"critical","cvss":8.8,"epss":null,"exploited":true,"exploited_at":"2023-07-13T00:00:00+00:00","products":[{"name":"Apple Multiple Products","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"apple safari","fixed":["16.5.2"],"affected":"< 16.5.2","ecosystem":"vendor"},{"name":"apple ipados","fixed":["16.6"],"affected":"< 16.6","ecosystem":"vendor"},{"name":"apple iphone os","fixed":["16.6"],"affected":"< 16.6","ecosystem":"vendor"},{"name":"apple macos","fixed":["13.5"],"affected":">= 13.0, < 13.5","ecosystem":"vendor"},{"name":"apple tvos","fixed":["16.6"],"affected":"< 16.6","ecosystem":"vendor"},{"name":"apple watchos","fixed":["9.6"],"affected":"< 9.6","ecosystem":"vendor"},{"name":"webkitgtk webkitgtk\\+","fixed":["2.42.3"],"affected":"< 2.42.3","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["apple-devices","exploited","ios","ipados","macos","safari","vendor","webkit"],"not_affected_if":["fully-patched-devices"],"how_to_check":"Check the device OS version under Settings > General > About (iOS/iPadOS) or Apple menu > About This Mac (macOS); compare it with the fixed releases in Apple's security notes.","fix":"Update iOS, iPadOS, macOS and Safari to a release that includes Apple's fix for this CVE; CISA says to discontinue use of products where no update is available.","status":"open","published_at":"2023-07-13T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T21:04:57+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"vendor","confidence":0.7,"triage":{"at":"2026-10-23T21:04:57Z","model":"claude-haiku-5-5","output":{"fix":"Update iOS, iPadOS, macOS and Safari to a release that includes Apple's fix for this CVE; CISA says to discontinue use of products where no update is available.\nunknown","reach":"internet","impact":"high","summary":"A WebKit flaw in Apple iOS, iPadOS, macOS and Safari lets a malicious web page run code when the page is processed. CISA lists it as actively exploited.","category":"vendor","who_cares":["ios","ipados","macos","safari","webkit","apple-devices"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs code on the device after a victim loads crafted web content","analyst_note":"Find the exact fixed OS and Safari versions in Apple's security release notes for CVE-2023-37450 and confirm the affected version ranges.","how_to_check":"Check the device OS version under Settings > General > About (iOS/iPadOS) or Apple menu > About This Mac (macOS); compare it with the fixed releases in Apple's security notes.\nunknown","needs_analyst":true,"not_affected_if":["fully-patched-devices"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"critical"},"cost_usd":0.000499,"input_tokens":2872,"output_tokens":424,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2023':9A,12A '-37450':10A,13A 'action':122C 'activ':68B 'address':4A 'appl':33B,46B,70C,106C,111C 'apple':14A,17A,19A,21A,24A,26A,28A 'apple-devic':32B 'appli':123C 'check':7A 'cisa':64B,120C 'code':58B,84C 'contain':77C 'content':91C 'could':94C 'craft':89C 'cve':8A,11A 'devic':34B 'discontinu':129C 'execut':85C 'exploit':35B,69B 'flaw':44B 'html':96C,118C 'impact':95C 'improv':6A 'includ':101C 'instruct':127C 'io':36B,47B,71C 'ipado':37B,48B,72C 'ipados':20A 'iphone':22A 'issu':2A 'lead':82C 'let':52B 'limit':104C 'list':65B 'maco':38B,49B,73C 'macos':25A 'malici':54B,88C 'multiple':15A 'non':110C 'non-appl':109C 'os':23A 'page':56B,61B 'parser':97C 'per':125C 'process':63B,87C,119C 'product':112C,133C 'products':16A 'reli':114C 'requir':121C 'run':57B 'safari':18A,39B,51B,75C,107C 'tvos':27A 'unavail':137C 'unspecifi':79C 'updat':124C,135C 'use':99C,130C 'vendor':40B,126C 'vulner':80C,93C 'watchos':29A 'web':55B,90C 'webkit':41B,43B,76C,100C,116C 'webkitgtk':30A,31A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2023-07-13T00:00:00+00:00","kev":{"dateAdded":"2023-07-13","dueDate":"2023-08-03","requiredAction":"Apply updates per vendor instructions or discontinue use of the product if updates 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-2023-37450","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-37450","severity":null,"published_at":"2023-07-13T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T16:39:47+00:00","note":null},{"source":"nvd","external_id":"CVE-2023-37450","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-37450","severity":null,"published_at":"2023-07-27T00:15:15+00:00","modified_at":"2026-06-17T06:08:14+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+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"}