{"cve":"CVE-2006-3840","nvd":{"published":"2006-07-27T11:04:00.000","modified":"2026-06-16T22:27:56.383","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://secunia.com/advisories/21219","http://securitytracker.com/id?1016590","http://securitytracker.com/id?1016591","http://securitytracker.com/id?1016592","http://www.nsfocus.com/english/homepage/research/0607.htm"],"products":["iss:blackice_pc_protection","iss:blackice_server_protection","iss:proventia_a_series_xpu","iss:proventia_desktop","iss:proventia_g_series_xpu","iss:proventia_m_series_xpu","iss:proventia_server","iss:realsecure_desktop","iss:realsecure_network","iss:realsecure_server_sensor"],"source":"nvd","synced_at":"2026-10-19T19:42:44.451428143+00:00"},"epss":{"cve":"CVE-2006-3840","score":0.02384,"percentile":0.83922,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}