{"id":"CVE-2021-30837","aliases":["EUVD-2021-17754","GHSA-f74h-p3m3-45g2"],"status":"published","title":"A memory consumption issue was addressed with improved memory handling. This issue is fixed in...","description":"A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An application may be able to execute arbitrary code with kernel privileges.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01689,"percentile":0.77241,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-10-19T13:11:53Z","modified":"2026-06-17T03:50:58Z","products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/en-us/HT212814","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212819","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212815","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2021/Oct/62","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Release Notes","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2021/Oct/63","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Release Notes","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2021/Oct/61","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Release Notes","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30837"},{"url":"https://github.com/advisories/GHSA-f74h-p3m3-45g2"}],"sources":{"cve":[{"id":"CVE-2021-30837","description":"A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-10-19T13:11:53Z","modified":"2024-08-03T22:48:12.659Z","updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-17754","description":"A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-10-19T13:11:53Z","modified":"2024-08-03T22:48:12Z","updated_at":"2026-11-03T03:24:40.575187Z"}],"ghsa":[{"id":"GHSA-f74h-p3m3-45g2","title":"A memory consumption issue was addressed with improved memory handling. This issue is fixed in...","description":"A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2022-05-24T19:17:59Z","modified":"2023-01-30T05:03:06Z","updated_at":"2026-11-02T14:46:46.047512Z"}],"nvd":[{"id":"CVE-2021-30837","description":"A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-10-19T14:15:09.267Z","modified":"2026-06-17T03:50:58.867Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:00.137719Z"}]}}