{"id":"CVE-2021-1814","aliases":["EUVD-2021-7278","GHSA-wh95-745x-qpqc"],"status":"published","title":"This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS...","description":"This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS 7.4. Processing a maliciously crafted image may lead to arbitrary code execution.","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":"2026-11-12","score":0.01182,"percentile":0.68183,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-09-08T14:54:53Z","modified":"2026-06-17T03:32:36Z","products":[{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/en-us/HT212324","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212325","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1814"},{"url":"https://github.com/advisories/GHSA-wh95-745x-qpqc"}],"sources":{"cve":[{"id":"CVE-2021-1814","description":"This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS 7.4. Processing a maliciously crafted image may lead to arbitrary code execution.","status":"published","published":"2021-09-08T14:54:53Z","modified":"2024-08-03T16:25:05.983Z","updated_at":"2026-11-02T14:33:08.409321Z"}],"euvd":[{"id":"EUVD-2021-7278","description":"This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS 7.4. Processing a maliciously crafted image may lead to arbitrary code execution.","status":"published","published":"2021-09-08T14:54:53Z","modified":"2024-08-03T16:25:05Z","updated_at":"2026-11-03T03:25:14.678157Z"}],"ghsa":[{"id":"GHSA-wh95-745x-qpqc","title":"This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS...","description":"This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS 7.4. Processing a maliciously crafted image may lead to arbitrary code execution.","status":"published","published":"2022-05-24T19:13:38Z","modified":"2023-01-30T05:01:58Z","updated_at":"2026-11-02T14:46:31.662536Z"}],"nvd":[{"id":"CVE-2021-1814","description":"This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS 7.4. Processing a maliciously crafted image may lead to arbitrary code execution.","status":"published","published":"2021-09-08T15:15:09.787Z","modified":"2026-06-17T03:32:36.577Z","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":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}