{"id":"CVE-2025-31200","kind":"vulnerability","aliases":["CVE-2025-31200"],"related":[],"title":"A memory corruption issue was addressed with improved bounds checking","description":"A memory corruption issue was addressed with improved bounds checking. This issue is fixed in iOS 18.4.1 and iPadOS 18.4.1, macOS Sequoia 15.4.1, tvOS 18.4.1, visionOS 2.4.1, watchOS 11.5. Processing an audio stream in a maliciously crafted media file may result in code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS released before iOS 18.4.1.","summary":"Apple's iOS, iPadOS, macOS and other products have a memory corruption bug in how they process audio streams inside a crafted media file. An attacker who gets a victim to open such a file can run code on the device.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2025-04-17T00:00:00+00:00","products":[{"name":"Apple Multiple Products","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"apple macos","fixed":["15.4.1"],"affected":">= 15.0, < 15.4.1","ecosystem":"vendor"},{"name":"apple tvos","fixed":["18.4.1"],"affected":"< 18.4.1","ecosystem":"vendor"},{"name":"apple visionos","fixed":["2.4.1"],"affected":"< 2.4.1","ecosystem":"vendor"},{"name":"apple ipados","fixed":["18.4.1"],"affected":"< 18.4.1","ecosystem":"vendor"},{"name":"apple iphone os","fixed":["18.4.1"],"affected":"< 18.4.1","ecosystem":"vendor"},{"name":"apple watchos","fixed":["11.5"],"affected":"< 11.5","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["apple","exploited","ios","ipados","macos","vendor"],"not_affected_if":["unpatched-builds-not-in-use"],"how_to_check":null,"fix":"Update Apple devices to the latest iOS, iPadOS, macOS and related releases from Apple; the specific fixed versions are not stated in the sources.","status":"open","published_at":"2025-04-16T19:15:54+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:48:46+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-23T20:48:46Z","model":"claude-haiku-5-5","output":{"fix":"Update Apple devices to the latest iOS, iPadOS, macOS and related releases from Apple; the specific fixed versions are not stated in the sources.","reach":"unknown","summary":"Apple's iOS, iPadOS, macOS and other products have a memory corruption bug in how they process audio streams inside a crafted media file. An attacker who gets a victim to open such a file can run code on the device.","category":"vendor","who_cares":["apple","ios","macos","ipados"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code on the device after a victim opens a malicious media file.","analyst_note":"Confirm affected and fixed Apple OS versions from Apple's security release notes for CVE-2025-31200; the CISA KEV entry does not list them.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unpatched-builds-not-in-use"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000432,"input_tokens":2542,"output_tokens":355,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2025':12A,15A '-31200':13A,16A '11.5':108C '15.4.1':102C '18.4.1':96C,99C,104C,153C '2.4.1':106C 'address':6A,85C 'appl':33B,39B,124C 'apple':17A,20A,22A,24A,26A,28A,31A 'attack':64B,141C 'audio':56B,111C 'awar':126C 'bound':9A,88C 'bug':51B 'check':10A,89C 'code':76B,122C 'corrupt':3A,50B,82C 'craft':60B,116C 'cve':11A,14A 'devic':79B 'execut':123C 'exploit':34B,136C 'extrem':139C 'file':62B,73B,118C 'fix':93C 'get':66B 'improv':8A,87C 'individu':145C 'insid':58B 'io':35B,41B,95C,149C,152C 'ipado':36B,42B,98C 'ipados':27A 'iphone':29A 'issu':4A,83C,91C,132C 'maco':37B,43B,100C 'macos':21A 'malici':115C 'may':119C,133C 'media':61B,117C 'memori':2A,49B,81C 'multiple':18A 'open':70B 'os':30A 'process':55B,109C 'product':46B 'products':19A 'releas':150C 'report':129C 'result':120C 'run':75B 'sequoia':101C 'sophist':140C 'specif':143C 'stream':57B,112C 'target':144C 'tvos':23A,103C 'vendor':38B 'version':147C 'victim':68B 'visiono':105C 'visionos':25A 'watcho':107C 'watchos':32A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2025-04-16T19:15:54+00:00","kev":{"dateAdded":"2025-04-17","dueDate":"2025-05-08","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2025-31200","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-31200","severity":null,"published_at":"2025-04-17T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T15:39:40+00:00","note":null},{"source":"nvd","external_id":"CVE-2025-31200","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-31200","severity":null,"published_at":"2025-04-16T19:15:54+00:00","modified_at":"2026-06-17T09:10:00+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"}