{"id":"CVE-2019-8553","aliases":["EUVD-2019-17943","GHSA-678r-mc28-pjx4"],"status":"published","title":"A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2...","description":"A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2. Clicking a malicious SMS link may lead to arbitrary code execution.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01833,"percentile":0.7905,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2019-12-18T17:33:17Z","modified":"2026-06-17T02:42:08Z","products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/HT209599","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT209601","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT209602","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8553"},{"url":"https://github.com/advisories/GHSA-678r-mc28-pjx4"}],"sources":{"cve":[{"id":"CVE-2019-8553","description":"A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2. Clicking a malicious SMS link may lead to arbitrary code execution.","status":"published","published":"2019-12-18T17:33:17Z","modified":"2024-08-04T21:24:27.848Z","updated_at":"2026-11-02T14:20:21.703364Z"}],"euvd":[{"id":"EUVD-2019-17943","description":"A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2. Clicking a malicious SMS link may lead to arbitrary code execution.","status":"published","published":"2019-12-18T17:33:17Z","modified":"2024-08-04T21:24:27Z","updated_at":"2026-11-03T03:06:42.550766Z"}],"ghsa":[{"id":"GHSA-678r-mc28-pjx4","title":"A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2...","description":"A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2. Clicking a malicious SMS link may lead to arbitrary code execution.","status":"published","published":"2022-05-24T17:04:14Z","modified":"2023-01-29T05:00:45Z","updated_at":"2026-11-02T14:44:39.8002Z"}],"nvd":[{"id":"CVE-2019-8553","description":"A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2. Clicking a malicious SMS link may lead to arbitrary code execution.","status":"published","published":"2019-12-18T18:15:25.707Z","modified":"2026-06-17T02:42:08.89Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:05:40.258829Z"}]}}