{"id":"CVE-2006-3840","aliases":["EUVD-2006-3834","GHSA-8qr2-g9hf-f52c"],"status":"published","title":"The SMB Mailslot parsing functionality in PAM in multiple ISS products with XPU (24.39/1.78/epj/x...","description":"The SMB Mailslot parsing functionality in PAM in multiple ISS products with XPU (24.39/1.78/epj/x.x.x.1780), including Proventia A, G, M, Server, and Desktop, BlackICE PC and Server Protection 3.6, and RealSecure 7.0, allows remote attackers to cause a denial of service (infinite loop) via a crafted SMB packet that is not properly handled by the SMB_Mailslot_Heap_Overflow decode.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02384,"percentile":0.84027,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2006-07-27T10:00:00Z","modified":"2026-06-16T22:27:56Z","products":[{"vendor":"iss","product":"blackice_pc_protection"},{"vendor":"iss","product":"blackice_server_protection"},{"vendor":"iss","product":"proventia_a_series_xpu"},{"vendor":"iss","product":"proventia_desktop"},{"vendor":"iss","product":"proventia_g_series_xpu"},{"vendor":"iss","product":"proventia_m_series_xpu"},{"vendor":"iss","product":"proventia_server"},{"vendor":"iss","product":"realsecure_desktop"},{"vendor":"iss","product":"realsecure_network"},{"vendor":"iss","product":"realsecure_server_sensor"}],"references":[{"url":"https://iss.custhelp.com/cgi-bin/iss.cfg/php/enduser/std_adp.php?p_faqid=3630","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/441278/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.nsfocus.com/english/homepage/research/0607.htm","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/21219","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2006/2996","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://securitytracker.com/id?1016592","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://xforce.iss.net/xforce/alerts/id/230","tags":["third-party-advisory","x_refsource_ISS","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/19178","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://securitytracker.com/id?1016590","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/27965","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://securitytracker.com/id?1016591","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-3840"},{"url":"https://github.com/advisories/GHSA-8qr2-g9hf-f52c"}],"sources":{"cve":[{"id":"CVE-2006-3840","description":"The SMB Mailslot parsing functionality in PAM in multiple ISS products with XPU (24.39/1.78/epj/x.x.x.1780), including Proventia A, G, M, Server, and Desktop, BlackICE PC and Server Protection 3.6, and RealSecure 7.0, allows remote attackers to cause a denial of service (infinite loop) via a crafted SMB packet that is not properly handled by the SMB_Mailslot_Heap_Overflow decode.","status":"published","published":"2006-07-27T10:00:00Z","modified":"2024-08-07T18:48:39.136Z","updated_at":"2026-11-02T14:33:50.024504Z"}],"euvd":[{"id":"EUVD-2006-3834","description":"The SMB Mailslot parsing functionality in PAM in multiple ISS products with XPU (24.39/1.78/epj/x.x.x.1780), including Proventia A, G, M, Server, and Desktop, BlackICE PC and Server Protection 3.6, and RealSecure 7.0, allows remote attackers to cause a denial of service (infinite loop) via a crafted SMB packet that is not properly handled by the SMB_Mailslot_Heap_Overflow decode.","status":"published","published":"2006-07-27T10:00:00Z","modified":"2024-08-07T18:48:39Z","updated_at":"2026-11-03T01:15:54.485555Z"}],"ghsa":[{"id":"GHSA-8qr2-g9hf-f52c","title":"The SMB Mailslot parsing functionality in PAM in multiple ISS products with XPU (24.39/1.78/epj/x...","description":"The SMB Mailslot parsing functionality in PAM in multiple ISS products with XPU (24.39/1.78/epj/x.x.x.1780), including Proventia A, G, M, Server, and Desktop, BlackICE PC and Server Protection 3.6, and RealSecure 7.0, allows remote attackers to cause a denial of service (infinite loop) via a crafted SMB packet that is not properly handled by the SMB_Mailslot_Heap_Overflow decode.","status":"published","published":"2022-05-01T07:12:56Z","modified":"2023-01-31T05:01:39Z","updated_at":"2026-11-02T14:48:06.332577Z"}],"nvd":[{"id":"CVE-2006-3840","description":"The SMB Mailslot parsing functionality in PAM in multiple ISS products with XPU (24.39/1.78/epj/x.x.x.1780), including Proventia A, G, M, Server, and Desktop, BlackICE PC and Server Protection 3.6, and RealSecure 7.0, allows remote attackers to cause a denial of service (infinite loop) via a crafted SMB packet that is not properly handled by the SMB_Mailslot_Heap_Overflow decode.","status":"published","published":"2006-07-27T11:04:00Z","modified":"2026-06-16T22:27:56.383Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:05.130518Z"}]}}