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TI-2009-04041 Aliases CVE-2009-4257GHSA-3gv9-4xxv-89c6

Heap-based buffer overflow in datatype/smil/common/smlpkt.cpp in smlrender.dll in…

Priority MEDIUM 51CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.08491 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 20

CPEVersionsRoleVendor
cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:*10.0VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer:10.5:*:*:*:*:*:*:*10.5VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:*11.0VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:*11.0.1VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:*11.0.2VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:*11.0.3VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:*11.0.4VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer:11.0.5:*:*:*:*:*:*:*11.0.5VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer_enterprise:*:*:*:*:*:*:*:*all versionsVulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer_sp:1.0.0:*:*:*:*:*:*:*1.0.0VulnerableRealNetworks
  • cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer:10.5:*:*:*:*:*:*:* Versions 10.5 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:* Versions 11.0.1 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:* Versions 11.0.2 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:* Versions 11.0.3 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:* Versions 11.0.4 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer:11.0.5:*:*:*:*:*:*:* Versions 11.0.5 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer_enterprise:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer_sp:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·RealNetworks
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:realnetworks:realplayer_sp:1.0.1:*:*:*:*:*:*:*1.0.1VulnerableRealNetworks
cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*all versionsRunning onMicrosoft
cpe:2.3:a:realnetworks:realplayer:10.1:*:*:*:*:*:*:*10.1VulnerableRealNetworks
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*all versionsRunning onApple
cpe:2.3:a:realnetworks:helix_player:10.0:*:*:*:*:*:*:*10.0VulnerableRealNetworks
cpe:2.3:a:realnetworks:helix_player:11.0.0:*:*:*:*:*:*:*11.0.0VulnerableRealNetworks
cpe:2.3:a:realnetworks:helix_player:11.0.1:*:*:*:*:*:*:*11.0.1VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer:10.0:*:linux:*:*:*:*:*10.0VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer:11.0.0:*:linux:*:*:*:*:*11.0.0VulnerableRealNetworks
cpe:2.3:a:realnetworks:realplayer:11.0.1:*:linux:*:*:*:*:*11.0.1VulnerableRealNetworks
  • cpe:2.3:a:realnetworks:realplayer_sp:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·RealNetworks
  • cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
  • cpe:2.3:a:realnetworks:realplayer:10.1:*:*:*:*:*:*:* Versions 10.1 Vulnerable ·RealNetworks
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions all versions Running on ·Apple
  • cpe:2.3:a:realnetworks:helix_player:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:helix_player:11.0.0:*:*:*:*:*:*:* Versions 11.0.0 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:helix_player:11.0.1:*:*:*:*:*:*:* Versions 11.0.1 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer:10.0:*:linux:*:*:*:*:* Versions 10.0 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer:11.0.0:*:linux:*:*:*:*:* Versions 11.0.0 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:realplayer:11.0.1:*:linux:*:*:*:*:* Versions 11.0.1 Vulnerable ·RealNetworks

Remediation

Red Hat 1 advisory

  • RHSA-2010:0094 Released 2010-02-09 · Red Hat rating Critical
    HelixPlayer security update
    • Red Hat Enterprise Linux AS version 4 HelixPlayer-1:1.0.6-1.el4_8.1, HelixPlayer-1:1.0.6-1.el4_8.1.i386, HelixPlayer-1:1.0.6-1.el4_8.1.ppc
    • Red Hat Enterprise Linux Desktop version 4 HelixPlayer-1:1.0.6-1.el4_8.1, HelixPlayer-1:1.0.6-1.el4_8.1.i386
    • Red Hat Enterprise Linux ES version 4 HelixPlayer-1:1.0.6-1.el4_8.1, HelixPlayer-1:1.0.6-1.el4_8.1.i386
    • Red Hat Enterprise Linux WS version 4 HelixPlayer-1:1.0.6-1.el4_8.1, HelixPlayer-1:1.0.6-1.el4_8.1.i386

Vendor assessments

Red Hat

Red Hat rating: Critical. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS version 4Fixed RHSA-2010:0094
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2010:0094
Red Hat Enterprise Linux ES version 4Fixed RHSA-2010:0094
Red Hat Enterprise Linux WS version 4Fixed RHSA-2010:0094

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-4257
  2. 2026-10-03 Alias added: GHSA-3gv9-4xxv-89c6
  3. 2026-10-21 EPSS moved to the 95th–99th percentile
  4. 2026-10-25 EPSS moved to the 90th–95th percentile
  5. 2026-10-27 EPSS moved to the 95th–99th percentile

References

Patch 3

Advisory 1

Other 4

  • TI-2007-03304 Stack-based buffer overflow in the SmilTimeValue::parseWallClockValue function in… CVSS 2.0HIGH 9.3
  • TI-2006-00313 Buffer overflow in swfformat.dll in multiple RealNetworks products and versions including… CVSS 2.0HIGH 9.3
  • TI-2009-04026 Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in… CVSS 2.0HIGH 9.3
  • TI-2009-04032 Buffer overflow in the RTSPProtocol::HandleSetParameterRequest function in… CVSS 2.0HIGH 9.3
  • TI-2009-04031 Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10… CVSS 2.0HIGH 9.3
  • TI-2009-04030 Stack-based buffer overflow in RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040… CVSS 2.0HIGH 9.3
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences