Is CVE-2009-4241 being actively exploited?

CVE-2009-4241 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-4241?

CVE-2009-4241 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2009-4241

HIGH · CVSS 9.3EPSS 7.1%EU EUVD

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 and 10.1, Linux RealPlayer 10, and Helix Player 10.x allows remote attackers to execute arbitrary code via a file with invalid ASMRuleBook structures that trigger heap memory corruption.

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-119
EPSS score: 7.1% (94th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-4210)
Published: January 25, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-4210 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

apple / mac os x
microsoft / windows
realnetworks / helix player
realnetworks / helix player
realnetworks / helix player
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer
realnetworks / realplayer enterprise
realnetworks / realplayer sp
realnetworks / realplayer sp

References

http://secunia.com/advisories/38218(Vendor Advisory)
http://securitytracker.com/id?1023489
http://service.real.com/realplayer/security/01192010_player/en/(Patch, Vendor Advisory)
http://www.securityfocus.com/archive/1/509100/100/0/threaded
http://www.securityfocus.com/bid/37880
http://www.vupen.com/english/advisories/2010/0178(Patch, Vendor Advisory)
http://www.zerodayinitiative.com/advisories/ZDI-10-005/(Patch)
https://exchange.xforce.ibmcloud.com/vulnerabilities/55794

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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