{"cve":"CVE-2008-1440","nvd":{"published":"2008-06-12T02:32:00.000","modified":"2026-06-16T22:51:44.263","status":"Modified","description":"Microsoft Windows XP SP2 and SP3, and Server 2003 SP1 and SP2, does not properly validate the option length field in Pragmatic General Multicast (PGM) packets, which allows remote attackers to cause a denial of service (infinite loop and system hang) via a crafted PGM packet, aka the \"PGM Invalid Length Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-1284"],"references":["http://secunia.com/advisories/30587","http://securitytracker.com/id?1020230","http://www.securityfocus.com/bid/29508","http://www.us-cert.gov/cas/techalerts/TA08-162B.html","http://www.vupen.com/english/advisories/2008/1783"],"products":["microsoft:windows_server_2003","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:51:11.071189229+00:00"},"epss":{"cve":"CVE-2008-1440","score":0.22591,"percentile":0.97717,"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."]}