{"id":"CVE-2026-112656","kind":"vulnerability","aliases":["CVE-2026-112656"],"related":[],"title":"Apple OS: crafted font file leaks process memory on iOS and macOS","description":"An out-of-bounds read was addressed with improved bounds checking. 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, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing a maliciously crafted font may result in the disclosure of process memory.","summary":"An out-of-bounds read in Apple's font processing lets a maliciously crafted font expose memory from the running process. An attacker gets information that may help them, but the description does not say they can run code or take control.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple","fleet-devices","infrastructure","ios","ipados","macos"],"not_affected_if":["already-patched"],"how_to_check":"- Check the device OS version under Settings > General > About (iOS, iPadOS, watchOS, tvOS, visionOS) or run `sw_vers` on macOS\n- unknown for exact fixed-build matching beyond the versions listed","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`, and macOS Golden Gate to `27.2`\n- Update tvOS, visionOS and watchOS to `27.2`","status":"open","published_at":"2026-10-26T21:17:59+00:00","first_seen_at":"2026-10-26T21:20:29+00:00","triaged_at":"2026-10-26T21:23:54+00:00","updated_at":"2026-10-26T21:23:54+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:23:54Z","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`, and macOS Golden Gate to `27.2`\n- Update tvOS, visionOS and watchOS to `27.2`","reach":"unknown","title":"Apple OS: crafted font file leaks process memory on iOS and macOS","impact":"low","summary":"An out-of-bounds read in Apple's font processing lets a maliciously crafted font expose memory from the running process. An attacker gets information that may help them, but the description does not say they can run code or take control.","category":"infrastructure","nicknames":[],"who_cares":["apple","ios","macos","ipados","fleet-devices"],"confidence":0.5,"needs_auth":"no","worst_case":"process memory is disclosed to a crafted font's author","analyst_note":"Check Apple's security release notes for CVE-2026-112656 to confirm which component and which apps reach the font parser, and whether the flaw is exploited.","how_to_check":"- Check the device OS version under Settings > General > About (iOS, iPadOS, watchOS, tvOS, visionOS) or run `sw_vers` on macOS\n- unknown for exact fixed-build matching beyond the versions listed","needs_analyst":true,"not_affected_if":["already-patched"],"who_is_affected":"Anyone running the listed Apple operating systems before the fixed versions is exposed when processing a crafted font, such as one opened in a document or web page. The sources do not say which apps trigger the font parser, so unknown whether a managed fleet can skip it by restricting apps. Devices already on the fixed versions are not affected.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000651,"input_tokens":3361,"output_tokens":630,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112656':15A,18A '-2026':14A,17A '15.8.2':103C '26.7.2':88C,91C,106C '27.2':93C,96C,100C,108C,110C,112C 'address':77C 'appl':1A,19B,34B 'attack':50B 'bound':31B,74C,80C 'check':81C 'code':66B 'control':69B 'craft':3A,41B,116C 'cve':13A,16A 'descript':59B 'devic':22B 'disclosur':122C 'expos':43B 'file':5A 'fix':85C 'fleet':21B 'fleet-devic':20B 'font':4A,36B,42B,117C 'gate':99C 'get':51B 'golden':98C 'help':55B 'improv':79C 'inform':52B 'infrastructur':23B 'io':10A,24B,87C,92C 'ipado':25B,90C,95C 'issu':83C 'leak':6A 'let':38B 'maco':12A,26B,97C,101C,104C 'malici':40B,115C 'may':54B,118C 'memori':8A,44B,125C 'os':2A 'out-of-bound':28B,71C 'process':7A,37B,48B,113C,124C 'read':32B,75C 'result':119C 'run':47B,65B 'say':62B 'sequoia':102C 'taho':105C 'take':68B 'tvos':107C 'visiono':109C 'watcho':111C","nicknames":[],"mitigations":[],"who_affected":"Anyone running the listed Apple operating systems before the fixed versions is exposed when processing a crafted font, such as one opened in a document or web page. The sources do not say which apps trigger the font parser, so unknown whether a managed fleet can skip it by restricting apps. Devices already on the fixed versions are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:59+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112656","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112656","severity":null,"published_at":"2026-10-26T21:17:59+00:00","modified_at":"2026-10-26T21:17:59+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"}