{"id":"CVE-2011-4257","aliases":["EUVD-2011-4199","GHSA-v34f-44q8-p2x8"],"status":"published","title":"The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute...","description":"The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02889,"percentile":0.86971,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2011-11-24T11:00:00Z","modified":"2026-06-16T23:34:38Z","products":[{"vendor":"realnetworks","product":"realplayer"}],"references":[{"url":"http://service.real.com/realplayer/security/11182011_player/en/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4257"},{"url":"http://service.real.com/realplayer/security/11182011_player/en"},{"url":"https://github.com/advisories/GHSA-v34f-44q8-p2x8"}],"sources":{"cve":[{"id":"CVE-2011-4257","description":"The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.","status":"published","published":"2011-11-24T11:00:00Z","modified":"2024-09-16T23:31:59.986Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2011-4199","description":"The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.","status":"published","published":"2011-11-24T11:00:00Z","modified":"2024-09-16T23:31:59Z","updated_at":"2026-11-03T00:54:49.244391Z"}],"ghsa":[{"id":"GHSA-v34f-44q8-p2x8","title":"The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute...","description":"The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.","status":"published","published":"2022-05-17T05:32:25Z","modified":"2025-04-11T03:54:06Z","cwes":["CWE-94"],"updated_at":"2026-11-02T15:01:10.114294Z"}],"nvd":[{"id":"CVE-2011-4257","description":"The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.","status":"published","published":"2011-11-24T11:55:08.087Z","modified":"2026-06-16T23:34:38.187Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:02:10.769216Z"}]}}