{"cve":"CVE-2006-4257","nvd":{"published":"2006-08-21T20:04:00.000","modified":"2026-06-16T22:28:44.030","status":"Modified","description":"IBM DB2 Universal Database (UDB) before 8.1 FixPak 13 allows remote authenticated users to cause a denial of service (crash) by (1) sending the first ACCSEC command without an RDBNAM parameter during the CONNECT process, or (2) sending crafted SQLJRA packet, which results in a null dereference.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v82/APARLIST.TXT","http://secunia.com/advisories/21550","http://www-1.ibm.com/support/docview.wss?uid=swg24013114","http://www.appsecinc.com/resources/alerts/db2/2006-09-05.shtml","http://www.securityfocus.com/archive/1/445298/100/0/threaded"],"products":["ibm:db2"],"source":"nvd","synced_at":"2026-10-19T19:42:44.451428143+00:00"},"epss":{"cve":"CVE-2006-4257","score":0.02166,"percentile":0.82255,"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."]}