RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted QCELP stream.

The AAC codec in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors.

The RealVideo renderer in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors.

Heap-based buffer overflow in the RealVideo renderer in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via unspecified vectors.

Heap-based buffer overflow in rvrender.dll in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 through 1.1.5, allows remote attackers to execute arbitrary code via a crafted frame in an Internet Video Recording (IVR) file.

Buffer overflow in common/util/rlstate.cpp in Helix Player 1.0.6 and RealPlayer allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a RuleBook structure with a large number of rule-separator characters that trigger heap memory corruption.

** UNVERIFIABLE, PRERELEASE ** NOTE: this issue describes a problem that can not be independently verified as of 20051208. Unspecified vulnerability in unspecified versions of Real Networks RealPlayer allows remote attackers to execute arbitrary code. NOTE: it is not known whether this issue should be MERGED with CVE-2005-4126. The information regarding this issue is extremely vague and does not provide any verifiable information. It has been posted by a reliable reporter with a prerelease disclosure policy. This item has only been assigned a CVE identifier for tracking purposes, and to serve as a concrete example for discussion of the newly emerging UNVERIFIABLE and PRERELEASE content decisions in CVE, which must be discussed by the Editorial Board. Without additional details or independent verification by reliable sources, it is possible that this item might be RECAST or REJECTED.