{"id":"CVE-2009-4242","aliases":["EUVD-2009-4211","GHSA-x57c-5473-xjq4","RHSA-2010:0094"],"status":"published","title":"Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif...","description":"Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif/common/gifcodec.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.0 through 11.0.4; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows remote attackers to execute arbitrary code via a GIF file with crafted chunk sizes that trigger improper memory allocation.","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":"2026-11-08","score":0.08453,"percentile":0.95046,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2010-01-25T19:00:00Z","modified":"2026-06-26T10:12:54Z","affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"HelixPlayer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.0.6-1.el4_8.1"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"HelixPlayer-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.0.6-1.el4_8.1"}]}],"bundled":8},{"source":"osv","ecosystem":"Red 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buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif/common/gifcodec.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.0 through 11.0.4; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows remote attackers to execute arbitrary code via a GIF file with crafted chunk sizes that trigger improper memory allocation.","status":"published","published":"2010-01-25T19:00:00Z","modified":"2024-08-07T06:54:10.208Z","updated_at":"2026-11-02T14:33:24.451733Z"}],"euvd":[{"id":"EUVD-2009-4211","description":"Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif/common/gifcodec.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.0 through 11.0.4; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows remote attackers to execute arbitrary code via a GIF file with crafted chunk sizes that trigger improper memory allocation.","status":"published","published":"2010-01-25T19:00:00Z","modified":"2024-08-07T06:54:10Z","updated_at":"2026-11-03T01:39:10.681785Z"}],"ghsa":[{"id":"GHSA-x57c-5473-xjq4","title":"Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif...","description":"Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif/common/gifcodec.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.0 through 11.0.4; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows remote attackers to execute arbitrary code via a GIF file with crafted chunk sizes that trigger improper memory allocation.","status":"published","published":"2022-05-02T03:53:06Z","modified":"2025-04-11T03:32:07Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:04.319345Z"}],"nvd":[{"id":"CVE-2009-4242","description":"Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif/common/gifcodec.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.0 through 11.0.4; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows remote attackers to execute arbitrary code via a GIF file with crafted chunk sizes that trigger improper memory allocation.","status":"published","published":"2010-01-25T19:30:01.09Z","modified":"2026-06-16T23:13:18.75Z","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-119"],"updated_at":"2026-11-02T14:01:38.33745Z"}],"osv":[{"id":"RHSA-2010:0094","title":"Red Hat Security Advisory: HelixPlayer security update","status":"published","published":"2024-09-15T18:19:33Z","modified":"2026-06-26T10:12:54Z","updated_at":"2026-11-02T15:53:00.468834Z"}]}}