{"id":"CVE-2021-1867","aliases":["EUVD-2021-7331","GHSA-vw8w-f3p8-wppg"],"status":"published","title":"An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14...","description":"An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.","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":"2026-11-12","score":0.01853,"percentile":0.79457,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2021-09-08T14:49:29Z","modified":"2026-06-17T03:32:41Z","products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT212317","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212325","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1867"},{"url":"https://github.com/advisories/GHSA-vw8w-f3p8-wppg"}],"sources":{"cve":[{"id":"CVE-2021-1867","description":"An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-09-08T14:49:29Z","modified":"2024-08-03T16:25:06.411Z","updated_at":"2026-11-02T14:33:08.409321Z"}],"euvd":[{"id":"EUVD-2021-7331","description":"An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-09-08T14:49:29Z","modified":"2024-08-03T16:25:06Z","updated_at":"2026-11-03T03:25:14.678157Z"}],"ghsa":[{"id":"GHSA-vw8w-f3p8-wppg","title":"An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14...","description":"An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2022-05-24T19:13:32Z","modified":"2023-01-30T05:01:56Z","cwes":["CWE-125"],"updated_at":"2026-11-02T14:46:31.204916Z"}],"nvd":[{"id":"CVE-2021-1867","description":"An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-09-08T15:15:11.91Z","modified":"2026-06-17T03:32:41.453Z","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":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}