{"id":"CVE-2009-0433","aliases":["EUVD-2009-0437","GHSA-4jv5-w4q2-49cm"],"status":"published","title":"Unspecified vulnerability in IBM WebSphere Application Server (WAS) 5.1.x before 5.1.1.19, 6.0.x...","description":"Unspecified vulnerability in IBM WebSphere Application Server (WAS) 5.1.x before 5.1.1.19, 6.0.x before 6.0.2.29, and 6.1.x before 6.1.0.19, when Web Server plug-in content buffering is enabled, allows attackers to cause a denial of service (daemon crash) via unknown vectors, related to a mishandling of client read failures in which clients receive many 500 HTTP error responses and backend servers are incorrectly labeled as down.","severity":{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01643,"percentile":0.76576,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2009-02-10T22:13:00Z","modified":"2026-06-16T23:05:02Z","products":[{"vendor":"ibm","product":"websphere_application_server"}],"references":[{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg1PK67161","tags":["vendor-advisory","x_refsource_AIXAPAR","x_transferred"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg27007951","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://www.securityfocus.com/bid/33700","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/48523","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg27006879","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://www-1.ibm.com/support/docview.wss?uid=swg1PK63499","tags":["vendor-advisory","x_refsource_AIXAPAR","x_transferred","Patch"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg27007033","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0433"},{"url":"https://github.com/advisories/GHSA-4jv5-w4q2-49cm"}],"sources":{"cve":[{"id":"CVE-2009-0433","description":"Unspecified vulnerability in IBM WebSphere Application Server (WAS) 5.1.x before 5.1.1.19, 6.0.x before 6.0.2.29, and 6.1.x before 6.1.0.19, when Web Server plug-in content buffering is enabled, allows attackers to cause a denial of service (daemon crash) via unknown vectors, related to a mishandling of client read failures in which clients receive many 500 HTTP error responses and backend servers are incorrectly labeled as down.","status":"published","published":"2009-02-10T22:13:00Z","modified":"2024-08-07T04:31:26.271Z","updated_at":"2026-11-02T14:33:26.302774Z"}],"euvd":[{"id":"EUVD-2009-0437","description":"Unspecified vulnerability in IBM WebSphere Application Server (WAS) 5.1.x before 5.1.1.19, 6.0.x before 6.0.2.29, and 6.1.x before 6.1.0.19, when Web Server plug-in content buffering is enabled, allows attackers to cause a denial of service (daemon crash) via unknown vectors, related to a mishandling of client read failures in which clients receive many 500 HTTP error responses and backend servers are incorrectly labeled as down.","status":"published","published":"2009-02-10T22:13:00Z","modified":"2024-08-07T04:31:26Z","updated_at":"2026-11-03T01:39:25.63342Z"}],"ghsa":[{"id":"GHSA-4jv5-w4q2-49cm","title":"Unspecified vulnerability in IBM WebSphere Application Server (WAS) 5.1.x before 5.1.1.19, 6.0.x...","description":"Unspecified vulnerability in IBM WebSphere Application Server (WAS) 5.1.x before 5.1.1.19, 6.0.x before 6.0.2.29, and 6.1.x before 6.1.0.19, when Web Server plug-in content buffering is enabled, allows attackers to cause a denial of service (daemon crash) via unknown vectors, related to a mishandling of client read failures in which clients receive many 500 HTTP error responses and backend servers are incorrectly labeled as down.","status":"published","published":"2022-05-02T03:15:24Z","modified":"2023-01-31T05:07:07Z","updated_at":"2026-11-02T14:49:09.290063Z"}],"nvd":[{"id":"CVE-2009-0433","description":"Unspecified vulnerability in IBM WebSphere Application Server (WAS) 5.1.x before 5.1.1.19, 6.0.x before 6.0.2.29, and 6.1.x before 6.1.0.19, when Web Server plug-in content buffering is enabled, allows attackers to cause a denial of service (daemon crash) via unknown vectors, related to a mishandling of client read failures in which clients receive many 500 HTTP error responses and backend servers are incorrectly labeled as down.","status":"published","published":"2009-02-10T22:30:00.437Z","modified":"2026-06-16T23:05:02.18Z","cvss":[{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:01:33.417327Z"}]}}