{"id":"CVE-2019-6205","aliases":["EUVD-2019-15772","GHSA-w2px-wm37-g99g"],"status":"published","title":"A memory corruption issue was addressed with improved lock state checking. This issue is fixed in...","description":"A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may cause unexpected changes in memory shared between processes.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04065,"percentile":0.90737,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-787"],"published":"2019-03-05T16:00:00Z","modified":"2026-06-17T02:38:48Z","exploits":[{"source":"exploitdb","id":"EDB-46299","title":"macOS \u003c 10.14.3 / iOS \u003c 12.1.3 XNU - 'vm_map_copy' Optimization which Requires Atomicity isn't Atomic","type":"dos","platform":"multiple","date":"2019-01-31","verified":true,"url":"https://www.exploit-db.com/exploits/46299"}],"products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"tvos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.securityfocus.com/bid/106695","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory"]},{"url":"https://support.apple.com/HT209446","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT209443","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/46299/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://support.apple.com/HT209447","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/156051/XNU-vm_map_copy-Insufficient-Fix.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6205"},{"url":"https://github.com/advisories/GHSA-w2px-wm37-g99g"}],"sources":{"cve":[{"id":"CVE-2019-6205","description":"A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may cause unexpected changes in memory shared between processes.","status":"published","published":"2019-03-05T16:00:00Z","modified":"2024-08-04T20:16:23.855Z","updated_at":"2026-11-02T14:20:23.381621Z"}],"euvd":[{"id":"EUVD-2019-15772","description":"A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may cause unexpected changes in memory shared between processes.","status":"published","published":"2019-03-05T16:00:00Z","modified":"2024-08-04T20:16:23Z","updated_at":"2026-11-03T03:06:49.709251Z"}],"ghsa":[{"id":"GHSA-w2px-wm37-g99g","title":"A memory corruption issue was addressed with improved lock state checking. This issue is fixed in...","description":"A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may cause unexpected changes in memory shared between processes.","status":"published","published":"2022-05-13T01:22:36Z","modified":"2023-02-01T05:06:48Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:25.548742Z"}],"nvd":[{"id":"CVE-2019-6205","description":"A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may cause unexpected changes in memory shared between processes.","status":"published","published":"2019-03-05T16:29:00.637Z","modified":"2026-06-17T02:38:48.08Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/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-787"],"updated_at":"2026-11-02T14:05:07.268578Z"}]}}