{"id":"CVE-2011-4259","aliases":["EUVD-2011-4201","GHSA-7774-gchg-9xfw"],"status":"published","title":"Integer underflow in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute...","description":"Integer underflow in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted width value in an MPG file.","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-189"],"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-2011-4259"},{"url":"http://service.real.com/realplayer/security/11182011_player/en"},{"url":"https://github.com/advisories/GHSA-7774-gchg-9xfw"}],"sources":{"cve":[{"id":"CVE-2011-4259","description":"Integer underflow in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted width value in an MPG file.","status":"published","published":"2011-11-24T11:00:00Z","modified":"2024-09-16T22:55:34.397Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2011-4201","description":"Integer underflow in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted width value in an MPG file.","status":"published","published":"2011-11-24T11:00:00Z","modified":"2024-09-16T22:55:34Z","updated_at":"2026-11-03T00:54:58.800859Z"}],"ghsa":[{"id":"GHSA-7774-gchg-9xfw","title":"Integer underflow in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute...","description":"Integer underflow in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted width value in an MPG file.","status":"published","published":"2022-05-17T05:32:26Z","modified":"2025-04-11T03:54:06Z","updated_at":"2026-11-02T15:01:10.114294Z"}],"nvd":[{"id":"CVE-2011-4259","description":"Integer underflow in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted width value in an MPG file.","status":"published","published":"2011-11-24T11:55:08.163Z","modified":"2026-06-16T23:34:38.423Z","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-189"],"updated_at":"2026-11-02T14:02:10.769216Z"}]}}