{"id":"CVE-2009-4244","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-4244","generatedAt":"2026-10-27T18:47:58.804Z","title":"Heap-based buffer overflow 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…","description":"Heap-based buffer overflow 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 an SIPR codec field with a small length value that triggers incorrect memory allocation.","published":"2010-01-25T19:30:01.000Z","lastModified":"2026-06-16T23:13:19.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":9.3,"severity":"HIGH","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["realnetworks/realplayer","realnetworks/realplayer enterprise","realnetworks/realplayer sp","realnetworks/helix player"],"epss":{"score":0.07237,"percentile":0.94287,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (7.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://secunia.com/advisories/38218","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1023489","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://service.real.com/realplayer/security/01192010_player/en/","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/509098/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/37880","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2010/0178","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-10-008/","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/55797","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/38218","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1023489","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://service.real.com/realplayer/security/01192010_player/en/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/509098/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/37880","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2010/0178","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-10-008/","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/55797","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-4244","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}