RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741, RealPlayer…
Priority MEDIUM 46CWE-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
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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 allow remote attackers to have an unspecified impact via a crafted media file that uses HTTP chunked transfer coding, related to an "overflow."
Why it matters now
EPSS 0.03402 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:10.5:*:*:*:*:*:*:* | 10.5 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:* | 11.0.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:* | 11.0.2 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:* | 11.0.3 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:* | 11.0.4 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.5:*:*:*:*:*:*:* | 11.0.5 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer_enterprise:*:*:*:*:*:*:*:* | all versions | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer_sp:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | RealNetworks |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:realnetworks:realplayer_sp:1.0.1:*:*:*:*:*:*:* | 1.0.1 | Vulnerable | RealNetworks |
| cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:realnetworks:realplayer:10.1:*:*:*:*:*:*:* | 10.1 | Vulnerable | RealNetworks |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | all versions | Running on | Apple |
| cpe:2.3:a:realnetworks:helix_player:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_player:11.0.0:*:*:*:*:*:*:* | 11.0.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_player:11.0.1:*:*:*:*:*:*:* | 11.0.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:10.0:*:linux:*:*:*:*:* | 10.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.0:*:linux:*:*:*:*:* | 11.0.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.1:*:linux:*:*:*:*:* | 11.0.1 | Vulnerable | RealNetworks |
- 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
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2009-4243
- 2026-10-03 Alias added: GHSA-wxqf-m3q4-9hgg
References
More RealNetworks Helix Player vulnerabilities
- 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-2009-04026 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
Sources
- CVE-2009-4243 · CVE Program
- CVE-2009-4243 · NVD
- FIRST EPSS
- GHSA-wxqf-m3q4-9hgg · GitHub Advisory Database · CC BY 4.0
- CVE-2009-4243 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences