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TI-2009-04026 Aliases CVE-2009-4242GHSA-x57c-5473-xjq4

Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function 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 the CGIFCodec::GetPacketBuffer function in datatype/image/gif/common/gifcodec.cpp 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, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows remote attackers to execute arbitrary code via a GIF file with crafted chunk sizes that trigger improper memory allocation.

Why it matters now

EPSS 0.08453 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-2009-4242
  2. 2026-10-03 Alias added: GHSA-x57c-5473-xjq4
  3. 2026-10-23 EPSS moved to the 95th–99th percentile
  4. 2026-10-25 EPSS moved to the 90th–95th percentile
  5. 2026-10-30 EPSS moved to the 95th–99th percentile

References

Patch 3

Advisory 1

Other 5

  • 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-2009-04041 Heap-based buffer overflow in datatype/smil/common/smlpkt.cpp in smlrender.dll 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