What’s Vulnerable › Vulnerabilities

CVE-2011-4256

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-11-24 · updated 2026-06-16
• Weakness: CWE-94

Description

The RV30 codec in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 does not initialize an unspecified index value, which allows remote attackers to execute arbitrary code via unknown vectors.

Affected products

• RealNetworks Realplayer: through 12.0.0.1701; through 14.0.7; 7.0, 8.0, 10.0, 10.0.0.305, 10.0.0.331, 10.1 (+29)

References

• http://service.real.com/realplayer/security/11182011_player/en/
• http://service.real.com/realplayer/security/11182011_player/en/

Get alerted when CVE-2011-4256 or the next vulnerability affects your stack