{"id":"CVE-2019-8555","aliases":["EUVD-2019-17945","GHSA-qc53-pf6m-hqxj"],"status":"published","title":"A buffer overflow was addressed with improved size validation. This issue is fixed in macOS...","description":"A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Mojave 10.14.4. A malicious application may be able to execute arbitrary code with kernel 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":"2026-11-09","score":0.01338,"percentile":0.7147,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2019-12-18T17:33:17Z","modified":"2026-06-17T02:42:09Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/HT209600","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8555"},{"url":"https://github.com/advisories/GHSA-qc53-pf6m-hqxj"}],"sources":{"cve":[{"id":"CVE-2019-8555","description":"A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Mojave 10.14.4. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2019-12-18T17:33:17Z","modified":"2024-08-04T21:24:27.769Z","updated_at":"2026-11-02T14:20:22.019351Z"}],"euvd":[{"id":"EUVD-2019-17945","description":"A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Mojave 10.14.4. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2019-12-18T17:33:17Z","modified":"2024-08-04T21:24:27Z","updated_at":"2026-11-03T03:06:42.550766Z"}],"ghsa":[{"id":"GHSA-qc53-pf6m-hqxj","title":"A buffer overflow was addressed with improved size validation. This issue is fixed in macOS...","description":"A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Mojave 10.14.4. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2022-05-24T17:04:14Z","modified":"2023-01-29T05:00:47Z","updated_at":"2026-11-02T14:44:39.8002Z"}],"nvd":[{"id":"CVE-2019-8555","description":"A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Mojave 10.14.4. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2019-12-18T18:15:25.863Z","modified":"2026-06-17T02:42:09.09Z","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"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:05:40.258829Z"}]}}