{"id":"CVE-2020-3849","aliases":["EUVD-2020-25114","GHSA-ghcx-2fcr-868x"],"status":"published","title":"A memory corruption issue was addressed with improved input validation. This issue is fixed in...","description":"A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0247,"percentile":0.8464,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-20","CWE-787"],"published":"2020-04-01T18:09:06Z","modified":"2026-06-17T03:19:08Z","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-2020-3849"},{"url":"https://github.com/advisories/GHSA-ghcx-2fcr-868x"}],"sources":{"cve":[{"id":"CVE-2020-3849","description":"A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.","status":"published","published":"2020-04-01T18:09:06Z","modified":"2024-08-04T07:44:51.312Z","updated_at":"2026-11-02T14:35:52.268457Z"}],"euvd":[{"id":"EUVD-2020-25114","description":"A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.","status":"published","published":"2020-04-01T18:09:06Z","modified":"2024-08-04T07:44:51Z","updated_at":"2026-11-03T03:08:08.894885Z"}],"ghsa":[{"id":"GHSA-ghcx-2fcr-868x","title":"A memory corruption issue was addressed with improved input validation. This issue is fixed in...","description":"A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.","status":"published","published":"2022-05-24T17:13:06Z","modified":"2023-01-29T05:02:02Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:44:58.707257Z"}],"nvd":[{"id":"CVE-2020-3849","description":"A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.","status":"published","published":"2020-04-01T19:15:14.783Z","modified":"2026-06-17T03:19:08.41Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20","CWE-787"],"updated_at":"2026-11-02T14:05:57.678762Z"}]}}