kbrain

CVE-2011-4256

HIGH · CVSS 10.0EPSS 4.3%EU EUVD

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.

Key facts

CVSS score
10.0 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-94
EPSS score
4.3% (91th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-4198)
Published
November 24, 2011
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4198 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer
  • realnetworks / realplayer

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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