{"cve":"CVE-2002-1643","nvd":{"published":"2002-12-19T05:00:00.000","modified":"2026-06-16T21:59:42.637","status":"Modified","description":"Multiple buffer overflows in RealNetworks Helix Universal Server 9.0 (9.0.2.768) allow remote attackers to execute arbitrary code via (1) a long Transport field in a SETUP RTSP request, (2) a DESCRIBE RTSP request with a long URL argument, or (3) two simultaneous HTTP GET requests with long arguments.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://www.kb.cert.org/vuls/id/974689","http://www.nextgenss.com/advisories/realhelix.txt","http://www.securityfocus.com/archive/1/304203","http://www.securityfocus.com/bid/6454","http://www.securityfocus.com/bid/6456"],"products":["realnetworks:helix_universal_server"],"source":"nvd","synced_at":"2026-10-19T19:34:38.930894741+00:00"},"epss":{"cve":"CVE-2002-1643","score":0.74701,"percentile":0.99503,"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."]}