{"id":"CVE-2015-4016","aliases":["EUVD-2015-4046","GHSA-6m3m-x8f4-hwpp"],"status":"published","title":"The client detection protocol in Valve Steam allows remote attackers to cause a denial of service...","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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02969,"percentile":0.87321,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2015-05-20T18:00:00Z","modified":"2026-06-17T00:26:38Z","products":[{"vendor":"valvesoftware","product":"steam_client"}],"references":[{"url":"http://store.steampowered.com/news/16801/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/74735","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-15-233/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-4016"},{"url":"http://store.steampowered.com/news/16801"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-15-233"},{"url":"https://github.com/advisories/GHSA-6m3m-x8f4-hwpp"}],"sources":{"cve":[{"id":"CVE-2015-4016","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.","status":"published","published":"2015-05-20T18:00:00Z","modified":"2024-08-06T06:04:02.178Z","updated_at":"2026-11-02T14:35:42.984856Z"}],"euvd":[{"id":"EUVD-2015-4046","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.","status":"published","published":"2015-05-20T18:00:00Z","modified":"2024-08-06T06:04:02Z","updated_at":"2026-11-03T02:22:05.665475Z"}],"ghsa":[{"id":"GHSA-6m3m-x8f4-hwpp","title":"The client detection protocol in Valve Steam allows remote attackers to cause a denial of service...","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.","status":"published","published":"2022-05-13T01:03:51Z","modified":"2025-04-12T12:49:08Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:01:22.356916Z"}],"nvd":[{"id":"CVE-2015-4016","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.","status":"published","published":"2015-05-20T18:59:08.247Z","modified":"2026-06-17T00:26:38.02Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:04.906059Z"}]}}