size_t Parcel::getGlobalAllocSize() {
    pthread_mutex_lock(&gParcelGlobalAllocSizeLock);
 size_t size = gParcelGlobalAllocSize;
    pthread_mutex_unlock(&gParcelGlobalAllocSizeLock);
 return size;
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.