{"id":"CVE-2016-4655","kind":"vulnerability","aliases":["CVE-2016-4655"],"related":[],"title":"Apple iOS: Apple iOS Information Disclosure Vulnerability","description":"The Apple iOS kernel allows attackers to obtain sensitive information from memory via a crafted application.\n\nCISA required action: Apply updates per vendor instructions.","summary":"Apple iOS kernel leaks sensitive memory contents to a crafted application. An attacker running a malicious app can read kernel memory that should be off limits to it.","severity":"high","cvss":7.1,"epss":0.33353,"exploited":true,"exploited_at":"2022-05-24T00:00:00+00:00","products":[{"name":"Apple iOS","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","ios","ipad","iphone","vendor"],"not_affected_if":["fully-patched-ios"],"how_to_check":null,"fix":"Update iOS to a release that includes Apple's fix for CVE-2016-4655; the sources do not name the fixed version.","status":"open","published_at":"2016-08-25T21:59:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:15:45+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-23T21:15:45Z","model":"claude-haiku-5-5","output":{"fix":"Update iOS to a release that includes Apple's fix for CVE-2016-4655; the sources do not name the fixed version.","reach":"local","impact":"low","summary":"Apple iOS kernel leaks sensitive memory contents to a crafted application. An attacker running a malicious app can read kernel memory that should be off limits to it.","category":"vendor","who_cares":["ios","iphone","ipad"],"confidence":0.6,"needs_auth":"no","worst_case":"Malicious app reads sensitive kernel memory contents from the device","analyst_note":"Confirm the fixed iOS version and affected range from Apple's security notes for CVE-2016-4655; the KEV entry lists it as exploited in the wild, so verify the required action date.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["fully-patched-ios"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000447,"input_tokens":2805,"output_tokens":333,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2016':9A,12A '-4655':10A,13A 'action':65C 'allow':51C 'app':37B 'appl':1A,3A,21B,48C 'apple':14A 'appli':66C 'applic':31B,62C 'attack':33B,52C 'cisa':63C 'content':27B 'craft':30B,61C 'cve':8A,11A 'disclosur':6A 'exploit':16B 'inform':5A,56C 'instruct':70C 'io':2A,4A,17B,22B,49C 'ios':15A 'ipad':18B 'iphon':19B 'kernel':23B,40B,50C 'leak':24B 'limit':46B 'malici':36B 'memori':26B,41B,58C 'obtain':54C 'per':68C 'read':39B 'requir':64C 'run':34B 'sensit':25B,55C 'updat':67C 'vendor':20B,69C 'via':59C 'vulner':7A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2016-08-25T21:59:00+00:00","kev":{"dateAdded":"2022-05-24","dueDate":"2022-06-14","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2016-4655","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2016-4655","severity":null,"published_at":"2022-05-24T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T13:39:31+00:00","note":null},{"source":"epss","external_id":"CVE-2016-4655","url":"https://api.first.org/data/v1/epss?cve=CVE-2016-4655","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2016-4655","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4655","severity":null,"published_at":"2016-08-25T21:59:00+00:00","modified_at":"2026-06-17T00:47:58+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+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"}