{"id":"CVE-2010-4394","url":"https://www.cyber-defence.io/tools/cve/CVE-2010-4394","generatedAt":"2026-10-27T17:44:52.671Z","title":"Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1 and RealPlayer SP 1.0 through 1.1.5 allows remote web servers to execute arbitrary code via a long Server header in a response to an HTTP request that occurs during parsing of a…","description":"Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1 and RealPlayer SP 1.0 through 1.1.5 allows remote web servers to execute arbitrary code via a long Server header in a response to an HTTP request that occurs during parsing of a RealPix file.","published":"2010-12-14T16:00:05.000Z","lastModified":"2026-06-16T23:24:42.000Z","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 sp"],"epss":{"score":0.03496,"percentile":0.89071,"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 (3.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://osvdb.org/69853","source":"cve@mitre.org"},{"url":"http://service.real.com/realplayer/security/12102010_player/en/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id?1024861","source":"cve@mitre.org"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-10-282","source":"cve@mitre.org"},{"url":"http://osvdb.org/69853","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://service.real.com/realplayer/security/12102010_player/en/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1024861","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-10-282","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2010-4394","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."}