{"id":"CVE-2020-3839","aliases":["EUVD-2020-25104","GHSA-3f62-5j9w-457w"],"status":"published","title":"A validation issue was addressed with improved input sanitization. This issue is fixed in macOS...","description":"A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.3. An application may be able to read restricted memory.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00345,"percentile":0.28375,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-02-27T20:45:04Z","modified":"2026-06-17T03:19:07Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/HT210919","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-3839"},{"url":"https://github.com/advisories/GHSA-3f62-5j9w-457w"}],"sources":{"cve":[{"id":"CVE-2020-3839","description":"A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.3. An application may be able to read restricted memory.","status":"published","published":"2020-02-27T20:45:04Z","modified":"2024-08-04T07:44:51.242Z","updated_at":"2026-11-02T14:35:51.923913Z"}],"euvd":[{"id":"EUVD-2020-25104","description":"A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.3. An application may be able to read restricted memory.","status":"published","published":"2020-02-27T20:45:04Z","modified":"2024-08-04T07:44:51Z","updated_at":"2026-11-03T03:08:08.894885Z"}],"ghsa":[{"id":"GHSA-3f62-5j9w-457w","title":"A validation issue was addressed with improved input sanitization. This issue is fixed in macOS...","description":"A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.3. An application may be able to read restricted memory.","status":"published","published":"2022-05-24T17:09:46Z","modified":"2023-01-29T05:01:35Z","updated_at":"2026-11-02T14:44:51.691892Z"}],"nvd":[{"id":"CVE-2020-3839","description":"A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.3. An application may be able to read restricted memory.","status":"published","published":"2020-02-27T21:15:16.773Z","modified":"2026-06-17T03:19:07.397Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:05:54.796125Z"}]}}