{"id":"CVE-2026-112671","kind":"vulnerability","aliases":["CVE-2026-112671"],"related":[],"title":"Apple iOS and macOS: resource exhaustion lets a remote attacker cause denial of service","description":"A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2. A remote attacker may be able to cause a denial-of-service.","summary":"Apple's advisory says a resource exhaustion flaw in input validation on several Apple operating systems can be triggered remotely. A remote attacker may be able to make affected devices unavailable.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple","infrastructure","ios","ipados","macos","visionos"],"not_affected_if":["fixed-version"],"how_to_check":"- Check the installed version under Settings > General > About (iOS, iPadOS, visionOS) or Apple menu > About This Mac (macOS)\n- Compare against the fixed versions: `iOS 26.7.2`, `iPadOS 26.7.2`, `iOS 27.2`, `iPadOS 27.2`, `macOS Tahoe 26.7.2`, `macOS Sequoia 15.8.2`, `macOS Golden Gate 27.2`, `visionOS 27.2`","fix":"- Update iOS and iPadOS to `26.7.2` or `27.2`\n- Update macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, or macOS Golden Gate to `27.2`\n- Update visionOS to `27.2`","status":"open","published_at":"2026-10-26T21:18:00+00:00","first_seen_at":"2026-10-26T21:20:29+00:00","triaged_at":"2026-10-26T21:23:44+00:00","updated_at":"2026-10-26T21:23:44+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:23:44Z","model":"claude-haiku-5-5","output":{"fix":"- Update iOS and iPadOS to `26.7.2` or `27.2`\n- Update macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, or macOS Golden Gate to `27.2`\n- Update visionOS to `27.2`","reach":"internet","title":"Apple iOS and macOS: resource exhaustion lets a remote attacker cause denial of service","impact":"low","summary":"Apple's advisory says a resource exhaustion flaw in input validation on several Apple operating systems can be triggered remotely. A remote attacker may be able to make affected devices unavailable.","category":"infrastructure","nicknames":[],"who_cares":["apple","ios","macos","ipados","visionos"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Remote attacker makes affected device unresponsive, denial of service only","analyst_note":"Check Apple's security notes for the affected component and trigger conditions; sources give only the fixed versions and a generic denial-of-service description.","how_to_check":"- Check the installed version under Settings > General > About (iOS, iPadOS, visionOS) or Apple menu > About This Mac (macOS)\n- Compare against the fixed versions: `iOS 26.7.2`, `iPadOS 26.7.2`, `iOS 27.2`, `iPadOS 27.2`, `macOS Tahoe 26.7.2`, `macOS Sequoia 15.8.2`, `macOS Golden Gate 27.2`, `visionOS 27.2`","needs_analyst":true,"not_affected_if":["fixed-version"],"who_is_affected":"Organisations running Apple devices on the listed versions of iOS, iPadOS, macOS or visionOS. The sources do not say which component or service is affected or what triggers the exhaustion, so the exact exposure is unknown. Teams on the fixed versions or later can skip it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000686,"input_tokens":3336,"output_tokens":704,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112671':17A,20A '-2026':16A,19A '15.8.2':89C '26.7.2':74C,77C,92C '27.2':79C,82C,86C,94C 'abl':52B,100C 'address':63C 'advisori':29B 'affect':55B 'appl':1A,21B,27B,40B 'attack':10A,49B,97C 'caus':11A,102C 'cve':15A,18A 'denial':12A,105C 'denial-of-servic':104C 'devic':56B 'exhaust':6A,33B,60C 'fix':71C 'flaw':34B 'gate':85C 'golden':84C 'improv':65C 'infrastructur':22B 'input':36B,66C 'io':2A,23B,73C,78C 'ipado':24B,76C,81C 'issu':61C,69C 'let':7A 'maco':4A,25B,83C,87C,90C 'make':54B 'may':50B,98C 'oper':41B 'remot':9A,46B,48B,96C 'resourc':5A,32B,59C 'say':30B 'sequoia':88C 'servic':14A,107C 'sever':39B 'system':42B 'taho':91C 'trigger':45B 'unavail':57B 'valid':37B,67C 'visiono':26B,93C","nicknames":[],"mitigations":[],"who_affected":"Organisations running Apple devices on the listed versions of iOS, iPadOS, macOS or visionOS. The sources do not say which component or service is affected or what triggers the exhaustion, so the exact exposure is unknown. Teams on the fixed versions or later can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:18:00+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112671","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112671","severity":null,"published_at":"2026-10-26T21:18:00+00:00","modified_at":"2026-10-26T21:18:00+00:00","first_seen_at":"2026-10-26T21:20:29+00:00","fetched_at":"2026-10-26T21:20:29+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"}