{"id":"CVE-2019-8539","aliases":["EUVD-2019-17929","GHSA-62mr-jqw4-7mmr"],"status":"published","title":"A memory initialization issue was addressed with improved memory handling. This issue is fixed in...","description":"A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra. A malicious application may be able to execute arbitrary code with system 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":0.012,"percentile":0.68448,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-10-27T19:24:10Z","modified":"2026-06-17T02:42:07Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT210348","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8539"},{"url":"https://github.com/advisories/GHSA-62mr-jqw4-7mmr"}],"sources":{"cve":[{"id":"CVE-2019-8539","description":"A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra. A malicious application may be able to execute arbitrary code with system privileges.","status":"published","published":"2020-10-27T19:24:10Z","modified":"2024-08-04T21:24:27.528Z","updated_at":"2026-11-02T14:20:21.703364Z"}],"euvd":[{"id":"EUVD-2019-17929","description":"A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra. A malicious application may be able to execute arbitrary code with system privileges.","status":"published","published":"2020-10-27T19:24:10Z","modified":"2024-08-04T21:24:27Z","updated_at":"2026-11-03T03:06:42.550766Z"}],"ghsa":[{"id":"GHSA-62mr-jqw4-7mmr","title":"A memory initialization issue was addressed with improved memory handling. This issue is fixed in...","description":"A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra. A malicious application may be able to execute arbitrary code with system privileges.","status":"published","published":"2022-05-24T17:32:16Z","modified":"2023-01-29T05:04:29Z","updated_at":"2026-11-02T14:45:34.167575Z"}],"nvd":[{"id":"CVE-2019-8539","description":"A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra. A malicious application may be able to execute arbitrary code with system privileges.","status":"published","published":"2020-10-27T20:15:15.08Z","modified":"2026-06-17T02:42:07.49Z","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":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:05:48.502374Z"}]}}