{"id":"CVE-2009-2194","aliases":["EUVD-2009-2190","GHSA-hcgh-9h6j-c933"],"status":"published","title":"Apple Mac OS X 10.5 before 10.5.8 does not properly share file descriptors over local sockets,...","description":"Apple Mac OS X 10.5 before 10.5.8 does not properly share file descriptors over local sockets, which allows local users to cause a denial of service (system crash) by placing file descriptors in messages sent to a socket that has no receiver, related to a \"synchronization issue.\"","severity":{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00404,"percentile":0.34967,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2009-08-06T16:00:00Z","modified":"2026-06-16T23:08:58Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"mac_os_x_server"}],"references":[{"url":"http://support.apple.com/kb/HT3757","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://osvdb.org/56836","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://secunia.com/advisories/36096","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/52439","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1022672","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/35954","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://www.vupen.com/english/advisories/2009/2172","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-218A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2194"},{"url":"https://github.com/advisories/GHSA-hcgh-9h6j-c933"}],"sources":{"cve":[{"id":"CVE-2009-2194","description":"Apple Mac OS X 10.5 before 10.5.8 does not properly share file descriptors over local sockets, which allows local users to cause a denial of service (system crash) by placing file descriptors in messages sent to a socket that has no receiver, related to a \"synchronization issue.\"","status":"published","published":"2009-08-06T16:00:00Z","modified":"2024-08-07T05:44:55.952Z","updated_at":"2026-11-02T14:33:23.395558Z"}],"euvd":[{"id":"EUVD-2009-2190","description":"Apple Mac OS X 10.5 before 10.5.8 does not properly share file descriptors over local sockets, which allows local users to cause a denial of service (system crash) by placing file descriptors in messages sent to a socket that has no receiver, related to a \"synchronization issue.\"","status":"published","published":"2009-08-06T16:00:00Z","modified":"2024-08-07T05:44:55Z","updated_at":"2026-11-03T01:39:18.405282Z"}],"ghsa":[{"id":"GHSA-hcgh-9h6j-c933","title":"Apple Mac OS X 10.5 before 10.5.8 does not properly share file descriptors over local sockets,...","description":"Apple Mac OS X 10.5 before 10.5.8 does not properly share file descriptors over local sockets, which allows local users to cause a denial of service (system crash) by placing file descriptors in messages sent to a socket that has no receiver, related to a \"synchronization issue.\"","status":"published","published":"2022-05-02T03:32:47Z","modified":"2023-01-31T05:07:23Z","updated_at":"2026-11-02T14:49:12.176696Z"}],"nvd":[{"id":"CVE-2009-2194","description":"Apple Mac OS X 10.5 before 10.5.8 does not properly share file descriptors over local sockets, which allows local users to cause a denial of service (system crash) by placing file descriptors in messages sent to a socket that has no receiver, related to a \"synchronization issue.\"","status":"published","published":"2009-08-06T16:30:00.483Z","modified":"2026-06-16T23:08:58.68Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:36.200173Z"}]}}