{"id":"CVE-2016-4639","aliases":["EUVD-2016-5625","GHSA-9q7j-mcc2-2993"],"status":"published","title":"Login Window in Apple OS X before 10.11.6 does not properly initialize memory, which allows local...","description":"Login Window in Apple OS X before 10.11.6 does not properly initialize memory, which allows local users to cause a denial of service via unspecified vectors.","severity":{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00298,"percentile":0.22609,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2016-07-22T01:00:00Z","modified":"2026-06-17T00:47:56Z","products":[{"vendor":"apple","product":"mac_os_x"}],"references":[{"url":"http://zerodayinitiative.com/advisories/ZDI-16-431/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/91824","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Mailing List","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1036348","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://support.apple.com/HT206903","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4639"},{"url":"http://zerodayinitiative.com/advisories/ZDI-16-431"},{"url":"https://github.com/advisories/GHSA-9q7j-mcc2-2993"}],"sources":{"cve":[{"id":"CVE-2016-4639","description":"Login Window in Apple OS X before 10.11.6 does not properly initialize memory, which allows local users to cause a denial of service via unspecified vectors.","status":"published","published":"2016-07-22T01:00:00Z","modified":"2024-08-06T00:39:25.412Z","updated_at":"2026-11-02T14:33:35.149563Z"}],"euvd":[{"id":"EUVD-2016-5625","description":"Login Window in Apple OS X before 10.11.6 does not properly initialize memory, which allows local users to cause a denial of service via unspecified vectors.","status":"published","published":"2016-07-22T01:00:00Z","modified":"2024-08-06T00:39:25Z","updated_at":"2026-11-03T02:22:45.901874Z"}],"ghsa":[{"id":"GHSA-9q7j-mcc2-2993","title":"Login Window in Apple OS X before 10.11.6 does not properly initialize memory, which allows local...","description":"Login Window in Apple OS X before 10.11.6 does not properly initialize memory, which allows local users to cause a denial of service via unspecified vectors.","status":"published","published":"2022-05-17T01:19:49Z","modified":"2025-04-12T13:03:52Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:01:28.663035Z"}],"nvd":[{"id":"CVE-2016-4639","description":"Login Window in Apple OS X before 10.11.6 does not properly initialize memory, which allows local users to cause a denial of service via unspecified vectors.","status":"published","published":"2016-07-22T02:59:59.933Z","modified":"2026-06-17T00:47:56.66Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:03:28.854267Z"}]}}