{"cve":"CVE-2015-4016","nvd":{"published":"2015-05-20T18:59:08.247","modified":"2026-06-17T00:26:38.020","status":"Modified","description":"The client detection protocol in Valve Steam allows remote attackers to cause a denial of service (process crash) via a crafted response to a broadcast packet.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://store.steampowered.com/news/16801/","http://www.securityfocus.com/bid/74735","http://www.zerodayinitiative.com/advisories/ZDI-15-233/","http://store.steampowered.com/news/16801/","http://www.securityfocus.com/bid/74735"],"products":["valvesoftware:steam_client"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-4016","score":0.02969,"percentile":0.87242,"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."]}