Use After Free
Use-after-free vulnerability in the Notifications presenter in Google Chrome before 6.0.472.53 allows attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
CWE-416 - Use After Free
Use-after-free (UaF) vulnerability occurs when the application is using a pointer to memory that has been freed. Any attempt to read/write to a buffer after it is de-allocated allows memory corruption, sensitive information exposure, and can potentially lead to arbitrary code execution.