{"id":"CVE-2009-4247","aliases":["EUVD-2009-4216","GHSA-9h7f-xvfq-hm25","RHSA-2010:0094"],"status":"published","title":"Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10;...","description":"Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x; RealPlayer SP 1.0.0 and 1.0.1; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, 11.0, and 11.0.1; Linux RealPlayer 10, 11.0.0, and 11.0.1; and Helix Player 10.x, 11.0.0, and 11.0.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an ASM RuleBook with a large number of rules, related to an \"array overflow.\"","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":0.0681,"percentile":0.9405,"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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Advisory"]},{"url":"http://secunia.com/advisories/38450","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10677","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://lists.helixcommunity.org/pipermail/protocol-cvs/2009-August/001943.html","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://helixcommunity.org/viewcvs/protocol/rtsp/rtspclnt.cpp?view=log#rev1.245","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://lists.helixcommunity.org/pipermail/helix-client-dev/2009-August/008092.html","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://secunia.com/advisories/38218","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=561338","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://www.securityfocus.com/bid/37880","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/55802","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4247","tags":["advisory"]},{"url":"http://service.real.com/realplayer/security/01192010_player/en"},{"url":"https://github.com/advisories/GHSA-9h7f-xvfq-hm25"},{"url":"https://access.redhat.com/errata/RHSA-2010:0094","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#critical","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=561309","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=561361","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=561436","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=561441","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=561856","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=561860","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2010/rhsa-2010_0094.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-4242","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-4242","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4242","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-4245","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-4245","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4245","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-4247","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-4247","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-4248","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-4248","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4248","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-4257","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-4257","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4257","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2010-0416","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2010-0416","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0416","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2010-0417","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2010-0417","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0417","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2010-4376","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=662772","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2010-4376","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-4376","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-4247","description":"Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x; RealPlayer SP 1.0.0 and 1.0.1; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, 11.0, and 11.0.1; Linux RealPlayer 10, 11.0.0, and 11.0.1; and Helix Player 10.x, 11.0.0, and 11.0.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an ASM RuleBook with a large number of rules, related to an \"array overflow.\"","status":"published","published":"2010-01-25T19:00:00Z","modified":"2024-08-07T06:54:10.219Z","updated_at":"2026-11-02T14:33:24.782697Z"}],"euvd":[{"id":"EUVD-2009-4216","description":"Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x; RealPlayer SP 1.0.0 and 1.0.1; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, 11.0, and 11.0.1; Linux RealPlayer 10, 11.0.0, and 11.0.1; and Helix Player 10.x, 11.0.0, and 11.0.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an ASM RuleBook with a large number of rules, related to an \"array overflow.\"","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-9h7f-xvfq-hm25","title":"Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10;...","description":"Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x; RealPlayer SP 1.0.0 and 1.0.1; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, 11.0, and 11.0.1; Linux RealPlayer 10, 11.0.0, and 11.0.1; and Helix Player 10.x, 11.0.0, and 11.0.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an ASM RuleBook with a large number of rules, related to an \"array overflow.\"","status":"published","published":"2022-05-02T03:53:08Z","modified":"2025-04-11T03:32:07Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:04.319345Z"}],"nvd":[{"id":"CVE-2009-4247","description":"Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x; RealPlayer SP 1.0.0 and 1.0.1; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, 11.0, and 11.0.1; Linux RealPlayer 10, 11.0.0, and 11.0.1; and Helix Player 10.x, 11.0.0, and 11.0.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an ASM RuleBook with a large number of rules, related to an \"array overflow.\"","status":"published","published":"2010-01-25T19:30:01.51Z","modified":"2026-06-16T23:13:19.51Z","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"}]}}