The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to…
Priority MEDIUM 45CWE-94Published · 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-94.
Summary
The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.
Why it matters now
EPSS 0.02889 86th 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 · 30
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:realnetworks:realplayer:*:*:*:*:*:*:*:* | up to 14.0.7 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:4:*:*:*:*:*:*:* | 4 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:5:*:*:*:*:*:*:* | 5 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:6:*:*:*:*:*:*:* | 6 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:7:*:*:*:*:*:*:* | 7 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:8:*:*:*:*:*:*:* | 8 | Vulnerable | RealNetworks |
| 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:*:*:*:*:*:*:*:* Versions up to 14.0.7 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:4:*:*:*:*:*:*:* Versions 4 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:5:*:*:*:*:*:*:* Versions 5 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:6:*:*:*:*:*:*:* Versions 6 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:8:*:*:*:*:*:*:* Versions 8 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
Show 20 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:* | 11.0.2 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.2.1744:*:*:*:*:*:*:* | 11.0.2.1744 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.2.2315:*:*:*:*:*:*:* | 11.0.2.2315 | 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:11.1:*:*:*:*:*:*:* | 11.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.1.3:*:*:*:*:*:*:* | 11.1.3 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11_build_6.0.14.748:*:*:*:*:*:*:* | 11_build_6.0.14.748 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:12.0.0.1444:*:*:*:*:*:*:* | 12.0.0.1444 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:12.0.0.1548:*:*:*:*:*:*:* | 12.0.0.1548 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:14.0.0:*:*:*:*:*:*:* | 14.0.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:14.0.1:*:*:*:*:*:*:* | 14.0.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:14.0.1.609:*:*:*:*:*:*:* | 14.0.1.609 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:14.0.1.633:*:*:*:*:*:*:* | 14.0.1.633 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:14.0.2:*:*:*:*:*:*:* | 14.0.2 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:14.0.3:*:*:*:*:*:*:* | 14.0.3 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:14.0.4:*:*:*:*:*:*:* | 14.0.4 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:14.0.5:*:*:*:*:*:*:* | 14.0.5 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:14.0.6:*:*:*:*:*:*:* | 14.0.6 | Vulnerable | RealNetworks |
- cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:* Versions 11.0.2 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:11.0.2.1744:*:*:*:*:*:*:* Versions 11.0.2.1744 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:11.0.2.2315:*:*:*:*:*:*:* Versions 11.0.2.2315 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:11.1:*:*:*:*:*:*:* Versions 11.1 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:11.1.3:*:*:*:*:*:*:* Versions 11.1.3 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:11_build_6.0.14.748:*:*:*:*:*:*:* Versions 11_build_6.0.14.748 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:12.0.0.1444:*:*:*:*:*:*:* Versions 12.0.0.1444 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:12.0.0.1548:*:*:*:*:*:*:* Versions 12.0.0.1548 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:14.0.1:*:*:*:*:*:*:* Versions 14.0.1 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:14.0.1.609:*:*:*:*:*:*:* Versions 14.0.1.609 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:14.0.1.633:*:*:*:*:*:*:* Versions 14.0.1.633 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:14.0.2:*:*:*:*:*:*:* Versions 14.0.2 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:14.0.3:*:*:*:*:*:*:* Versions 14.0.3 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:14.0.4:*:*:*:*:*:*:* Versions 14.0.4 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:14.0.5:*:*:*:*:*:*:* Versions 14.0.5 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:14.0.6:*:*:*:*:*:*:* Versions 14.0.6 Vulnerable ·RealNetworks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4257
- 2026-10-03 Alias added: GHSA-v34f-44q8-p2x8
References
More RealNetworks Realplayer vulnerabilities
- TI-2012-04788 Buffer overflow in RealNetworks RealPlayer before 16.0.0.282 and RealPlayer SP 1.0… CVSS 2.0HIGH 9.3
- TI-2008-01259 The RealAudioObjects.RealAudio ActiveX control in rmoc3260.dll in RealNetworks RealPlayer… CVSS 2.0HIGH 9.3
- TI-2013-05928 Multiple stack-based buffer overflows in RealNetworks RealPlayer before 17.0.4.61 on… CVSS 2.0HIGH 7.5
- TI-2007-05384 Stack-based buffer overflow in the Database Component in MPAMedia.dll in RealNetworks… CVSS 2.0HIGH 9.3
- TI-2010-03559 An ActiveX control in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0… CVSS 2.0HIGH 9.3
- TI-2007-03304 Stack-based buffer overflow in the SmilTimeValue::parseWallClockValue function in… CVSS 2.0HIGH 9.3
Sources
- CVE-2011-4257 · CVE Program
- CVE-2011-4257 · NVD
- FIRST EPSS
- GHSA-v34f-44q8-p2x8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences