{"id":"CVE-2019-8661","aliases":["EUVD-2019-18051","GHSA-qp2w-5j73-m364"],"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 Mojave 10.14.6. A remote attacker may be able to cause 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":"2026-11-09","score":0.10284,"percentile":0.95726,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-416"],"published":"2019-12-18T17:33:20Z","modified":"2026-06-17T02:42:19Z","exploits":[{"source":"exploitdb","id":"EDB-47207","title":"macOS iMessage - Heap Overflow when Deserializing","type":"dos","platform":"macos","date":"2019-08-05","verified":true,"url":"https://www.exploit-db.com/exploits/47207"}],"products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/HT210348","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8661"},{"url":"https://github.com/advisories/GHSA-qp2w-5j73-m364"}],"sources":{"cve":[{"id":"CVE-2019-8661","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.","status":"published","published":"2019-12-18T17:33:20Z","modified":"2024-08-04T21:24:29.497Z","updated_at":"2026-11-02T14:20:22.019351Z"}],"euvd":[{"id":"EUVD-2019-18051","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.","status":"published","published":"2019-12-18T17:33:20Z","modified":"2024-08-04T21:24:29Z","updated_at":"2026-11-03T03:06:42.084203Z"}],"ghsa":[{"id":"GHSA-qp2w-5j73-m364","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 Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.","status":"published","published":"2022-05-24T17:04:23Z","modified":"2023-01-29T05:00:49Z","updated_at":"2026-11-02T14:44:40.234855Z"}],"nvd":[{"id":"CVE-2019-8661","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.","status":"published","published":"2019-12-18T18:15:31.707Z","modified":"2026-06-17T02:42:19.957Z","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-416"],"updated_at":"2026-11-02T14:05:40.856496Z"}]}}