{"cve":"CVE-2009-4443","nvd":{"published":"2009-12-28T19:30:00.517","modified":"2026-06-16T23:13:40.670","status":"Modified","description":"Unspecified vulnerability in the psearch (aka persistent search) functionality in Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 allows remote attackers to cause a denial of service (psearch outage) by using a crafted psearch client to send requests that trigger a psearch thread loop, aka Bug Id 6855978.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://secunia.com/advisories/37915","http://sunsolve.sun.com/search/document.do?assetkey=1-21-141958-01-1","http://sunsolve.sun.com/search/document.do?assetkey=1-66-270789-1","http://www.securityfocus.com/bid/37481","http://www.securitytracker.com/id?1023389"],"products":["sun:java_system_directory_server"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2009-4443","score":0.02114,"percentile":0.81824,"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."]}