static DH *load_dh_param(const char *dhfile)
{
    DH *ret = NULL;
    BIO *bio;

    if ((bio = BIO_new_file(dhfile, "r")) == NULL)
        goto err;
    ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
 err:
    if (bio != NULL)
        BIO_free(bio);
    return (ret);
}

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.