The PointerCompare function in codegen.cc in Seccomp-BPF, as used in Google Chrome before 34.0.1847.131 on Windows and OS X and before 34.0.1847.132 on Linux, does not properly merge blocks, which might allow remote attackers to bypass intended sandbox restrictions by leveraging renderer access.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.