CVE-2009-4247
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."
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
- 6.8% (94th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-4216)
- 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-2009-4216 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected 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://lists.helixcommunity.org/pipermail/helix-client-dev/2009-August/008092.html
- http://lists.helixcommunity.org/pipermail/protocol-cvs/2009-August/001943.html
- http://secunia.com/advisories/38218(Vendor Advisory)
- http://secunia.com/advisories/38450(Vendor Advisory)
- http://securitytracker.com/id?1023489(Patch)
- http://service.real.com/realplayer/security/01192010_player/en/(Patch, Vendor Advisory)
- http://www.redhat.com/support/errata/RHSA-2010-0094.html
- http://www.securityfocus.com/bid/37880
- http://www.vupen.com/english/advisories/2010/0178(Patch, Vendor Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=561338
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55802
- https://helixcommunity.org/viewcvs/protocol/rtsp/rtspclnt.cpp?view=log#rev1.245
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10677
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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