CVE-2011-4257
The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute...
The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.
Exploit likelihood
What each source reports
NVD Score used
The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.
- Record
CVE-2011-4257- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.
- Record
CVE-2011-4257- Updated
- 2026-11-02
EUVDEUVD-2011-4199 No score
The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.
- Record
EUVD-2011-4199- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v34f-44q8-p2x8 No score
The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute...
The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data.
- Record
GHSA-v34f-44q8-p2x8- Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4257 is a high vulnerability (CVSS 9.3) in Realnetworks Realplayer, published November 24, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.89%, the 86th percentile. No source names a fixed version.