{"id":"CVE-2009-4420","aliases":["EUVD-2009-4387","GHSA-jggw-46hj-wcq8"],"status":"published","title":"Buffer overflow in the bd daemon in F5 Networks BIG-IP Application Security Manager (ASM) 9.4.4...","description":"Buffer overflow in the bd daemon in F5 Networks BIG-IP Application Security Manager (ASM) 9.4.4 through 9.4.7 and 10.0.0 through 10.0.1, and Protocol Security Manager (PSM) 9.4.5 through 9.4.7 and 10.0.0 through 10.0.1, allows remote attackers to cause a denial of service (crash) via unknown vectors.  NOTE: some of these details are obtained from third party information.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02221,"percentile":0.82808,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2009-12-24T17:00:00Z","modified":"2026-06-16T23:13:38Z","products":[{"vendor":"f5","product":"big-ip_application_security_manager"},{"vendor":"f5","product":"big-ip_protocol_security_manager"},{"vendor":"f5","product":"big-ip_protocol_security_module"}],"references":[{"url":"http://www.securitytracker.com/id?1023386","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://support.f5.com/kb/en-us/solutions/public/10000/400/sol10417.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://osvdb.org/61297","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/55005","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/3627","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/37805","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/37452","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4420"},{"url":"https://github.com/advisories/GHSA-jggw-46hj-wcq8"}],"sources":{"cve":[{"id":"CVE-2009-4420","description":"Buffer overflow in the bd daemon in F5 Networks BIG-IP Application Security Manager (ASM) 9.4.4 through 9.4.7 and 10.0.0 through 10.0.1, and Protocol Security Manager (PSM) 9.4.5 through 9.4.7 and 10.0.0 through 10.0.1, allows remote attackers to cause a denial of service (crash) via unknown vectors.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2009-12-24T17:00:00Z","modified":"2024-08-07T07:01:20.167Z","updated_at":"2026-11-02T14:33:24.782697Z"}],"euvd":[{"id":"EUVD-2009-4387","description":"Buffer overflow in the bd daemon in F5 Networks BIG-IP Application Security Manager (ASM) 9.4.4 through 9.4.7 and 10.0.0 through 10.0.1, and Protocol Security Manager (PSM) 9.4.5 through 9.4.7 and 10.0.0 through 10.0.1, allows remote attackers to cause a denial of service (crash) via unknown vectors.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2009-12-24T17:00:00Z","modified":"2024-08-07T07:01:20Z","updated_at":"2026-11-03T01:39:10.134983Z"}],"ghsa":[{"id":"GHSA-jggw-46hj-wcq8","title":"Buffer overflow in the bd daemon in F5 Networks BIG-IP Application Security Manager (ASM) 9.4.4...","description":"Buffer overflow in the bd daemon in F5 Networks BIG-IP Application Security Manager (ASM) 9.4.4 through 9.4.7 and 10.0.0 through 10.0.1, and Protocol Security Manager (PSM) 9.4.5 through 9.4.7 and 10.0.0 through 10.0.1, allows remote attackers to cause a denial of service (crash) via unknown vectors.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2022-05-02T03:54:30Z","modified":"2023-01-31T05:08:13Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:49:21.399059Z"}],"nvd":[{"id":"CVE-2009-4420","description":"Buffer overflow in the bd daemon in F5 Networks BIG-IP Application Security Manager (ASM) 9.4.4 through 9.4.7 and 10.0.0 through 10.0.1, and Protocol Security Manager (PSM) 9.4.5 through 9.4.7 and 10.0.0 through 10.0.1, allows remote attackers to cause a denial of service (crash) via unknown vectors.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2009-12-24T17:30:00.28Z","modified":"2026-06-16T23:13:38.1Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:38.33745Z"}]}}