{"id":"CVE-2026-113904","kind":"vulnerability","aliases":["CVE-2026-113904"],"related":[],"title":"Safari and Apple OSes: use-after-free lets crafted web content crash processes","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing maliciously crafted web content may lead to an unexpected process crash.","summary":"A use-after-free memory bug in Apple's WebKit-based browsing stack lets maliciously crafted web content crash a process. The sources describe only an unexpected process crash, not code execution.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple-devices","ios","ipados","macos","other","safari"],"not_affected_if":["already-patched"],"how_to_check":"- Check the Safari or macOS, iOS, iPadOS, tvOS, visionOS and watchOS version on each device against the fixed versions listed in the sources.","fix":"- Update Safari to `27.2` or later.\n- Update iOS and iPadOS to `26.7.2` or `27.2`, and macOS, tvOS, visionOS and watchOS to `27.2`, as listed in the sources.","status":"open","published_at":"2026-10-26T21:18:07+00:00","first_seen_at":"2026-10-26T21:20:31+00:00","triaged_at":"2026-10-26T21:22:01+00:00","updated_at":"2026-10-26T21:22:01+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-26T21:22:01Z","model":"claude-haiku-5-5","output":{"fix":"- Update Safari to `27.2` or later.\n- Update iOS and iPadOS to `26.7.2` or `27.2`, and macOS, tvOS, visionOS and watchOS to `27.2`, as listed in the sources.","reach":"internet","title":"Safari and Apple OSes: use-after-free lets crafted web content crash processes","impact":"low","summary":"A use-after-free memory bug in Apple's WebKit-based browsing stack lets maliciously crafted web content crash a process. The sources describe only an unexpected process crash, not code execution.","category":"other","nicknames":[],"who_cares":["safari","macos","ios","ipados","apple-devices"],"confidence":0.6,"needs_auth":"no","worst_case":"Browser or web process crashes when visiting a malicious page.","analyst_note":"","how_to_check":"- Check the Safari or macOS, iOS, iPadOS, tvOS, visionOS and watchOS version on each device against the fixed versions listed in the sources.","needs_analyst":false,"not_affected_if":["already-patched"],"who_is_affected":"Anyone running Safari or the listed Apple operating systems on a version older than the fixed releases, exposed when they load untrusted web content. Managed fleets that already run the fixed versions can skip it. The sources do not name a specific configuration that is required.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"low"},"cost_usd":0.000583,"input_tokens":3333,"output_tokens":499,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-113904':17A,20A '-2026':16A,19A '26.7.2':83C,86C '27.2':81C,88C,91C,95C,97C,99C,101C 'address':70C 'appl':3A,22B,37B 'apple-devic':21B 'base':41B 'brows':42B 'bug':35B 'code':61B 'content':12A,48B,106C 'craft':10A,46B,104C 'crash':13A,49B,59B,113C 'cve':15A,18A 'describ':54B 'devic':23B 'execut':62B 'fix':78C 'free':8A,33B,67C 'gate':94C 'golden':93C 'improv':72C 'io':24B,82C,87C 'ipado':25B,85C,90C 'issu':68C,76C 'lead':108C 'let':9A,44B 'maco':26B,92C 'malici':45B,103C 'manag':74C 'may':107C 'memori':34B,73C 'ose':4A 'process':14A,51B,58B,102C,112C 'safari':1A,28B,80C 'sourc':53B 'stack':43B 'tvos':96C 'unexpect':57B,111C 'use':6A,31B,65C 'use-after-fre':5A,30B,64C 'visiono':98C 'watcho':100C 'web':11A,47B,105C 'webkit':40B 'webkit-bas':39B","nicknames":[],"mitigations":[],"who_affected":"Anyone running Safari or the listed Apple operating systems on a version older than the fixed releases, exposed when they load untrusted web content. Managed fleets that already run the fixed versions can skip it. The sources do not name a specific configuration that is required.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:18:07+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113904","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113904","severity":null,"published_at":"2026-10-26T21:18:07+00:00","modified_at":"2026-10-26T21:18:07+00:00","first_seen_at":"2026-10-26T21:20:31+00:00","fetched_at":"2026-10-26T21:20:31+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"}