static void add_capability(uint32_t **caps, int *num_caps, uint32_t cap)
{
    int nbefore, n;

    nbefore = *num_caps;
    n = cap / 32;
    *num_caps = MAX(*num_caps, n + 1);
    *caps = spice_renew(uint32_t, *caps, *num_caps);
    memset(*caps + nbefore, 0, (*num_caps - nbefore) * sizeof(uint32_t));
    (*caps)[n] |= (1 << (cap % 32));
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.