{"id":"CVE-2020-3851","aliases":["EUVD-2020-25116","GHSA-rvmm-f3gg-cx63"],"status":"published","title":"A use after free issue was addressed with improved memory management. This issue is fixed in...","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra, macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. An application may be able to gain elevated 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":0.00779,"percentile":0.56207,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2020-10-27T20:30:03Z","modified":"2026-06-17T03:19:08Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT211100","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT210919","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-3851"},{"url":"https://github.com/advisories/GHSA-rvmm-f3gg-cx63"}],"sources":{"cve":[{"id":"CVE-2020-3851","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra, macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. An application may be able to gain elevated privileges.","status":"published","published":"2020-10-27T20:30:03Z","modified":"2024-08-04T07:44:51.398Z","updated_at":"2026-11-02T14:35:51.923913Z"}],"euvd":[{"id":"EUVD-2020-25116","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra, macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. An application may be able to gain elevated privileges.","status":"published","published":"2020-10-27T20:30:03Z","modified":"2024-08-04T07:44:51Z","updated_at":"2026-11-03T03:08:08.894885Z"}],"ghsa":[{"id":"GHSA-rvmm-f3gg-cx63","title":"A use after free issue was addressed with improved memory management. This issue is fixed in...","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra, macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. An application may be able to gain elevated privileges.","status":"published","published":"2022-05-24T17:32:40Z","modified":"2023-01-29T05:05:10Z","cwes":["CWE-416"],"updated_at":"2026-11-02T14:45:43.481618Z"}],"nvd":[{"id":"CVE-2020-3851","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra, macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. An application may be able to gain elevated privileges.","status":"published","published":"2020-10-27T21:15:14.867Z","modified":"2026-06-17T03:19:08.607Z","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"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:06:21.80969Z"}]}}