Unrated severityNVD Advisory· Published Jan 25, 2010· Updated Jun 16, 2026
CVE-2009-4257
CVE-2009-4257
Description
Heap-based buffer overflow in datatype/smil/common/smlpkt.cpp in smlrender.dll 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 11.0.0, and Helix Player 10.x and 11.0.0 allows remote attackers to execute arbitrary code via an SMIL file with crafted string lengths.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
20cpe:2.3:a:realnetworks:helix_player:10.0:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:realnetworks:helix_player:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:helix_player:11.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:helix_player:11.0.1:*:*:*:*:*:*:*
- (no CPE)range: 10.x and 11.0.0
cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:*+ 15 more
- cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:10.0:*:linux:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:10.1:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:10.5:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.0:*:linux:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.1:*:linux:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer_enterprise:*:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer_sp:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer_sp:1.0.1:*:*:*:*:*:*:*
- (no CPE)range: multiple versions
Patches
Vulnerability mechanics
References
14- securitytracker.com/idnvdPatch
- service.real.com/realplayer/security/01192010_player/en/nvdPatchVendor Advisory
- www.vupen.com/english/advisories/2010/0178nvdPatchVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-10-007/nvdPatch
- secunia.com/advisories/38218nvdVendor Advisory
- secunia.com/advisories/38450nvdVendor Advisory
- lists.helixcommunity.org/pipermail/datatype-cvs/2008-September/008678.htmlnvd
- www.redhat.com/support/errata/RHSA-2010-0094.htmlnvd
- www.securityfocus.com/archive/1/509105/100/0/threadednvd
- www.securityfocus.com/bid/37880nvd
- bugzilla.redhat.com/show_bug.cginvd
- exchange.xforce.ibmcloud.com/vulnerabilities/55798nvd
- helixcommunity.org/viewcvs/datatype/smil/common/smlpkt.cppnvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11110nvd
News mentions
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