{"id":"CVE-2009-2191","aliases":["EUVD-2009-2187","GHSA-w3jp-p4xg-pfwx"],"status":"published","title":"Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8...","description":"Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an application name.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.04167,"percentile":0.90963,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-134"],"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://secunia.com/advisories/36096","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/52428","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.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":"http://osvdb.org/56840","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2191"},{"url":"https://github.com/advisories/GHSA-w3jp-p4xg-pfwx"}],"sources":{"cve":[{"id":"CVE-2009-2191","description":"Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an application name.","status":"published","published":"2009-08-06T16:00:00Z","modified":"2024-08-07T05:44:55.119Z","updated_at":"2026-11-02T14:33:23.395558Z"}],"euvd":[{"id":"EUVD-2009-2187","description":"Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an application name.","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-w3jp-p4xg-pfwx","title":"Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8...","description":"Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an application name.","status":"published","published":"2022-05-02T03:32:43Z","modified":"2023-01-31T05:08:37Z","cwes":["CWE-134"],"updated_at":"2026-11-02T14:49:25.675023Z"}],"nvd":[{"id":"CVE-2009-2191","description":"Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an application name.","status":"published","published":"2009-08-06T16:30:00.39Z","modified":"2026-06-16T23:08:58.277Z","cvss":[{"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-134"],"updated_at":"2026-11-02T14:01:36.200173Z"}]}}