ASN1_TIME *X509_time_adj_ex(ASN1_TIME *s,
                            int offset_day, long offset_sec, time_t *in_tm)
{
    time_t t;

    if (in_tm)
        t = *in_tm;
    else
        time(&t);

    if (s && !(s->flags & ASN1_STRING_FLAG_MSTRING)) {
        if (s->type == V_ASN1_UTCTIME)
            return ASN1_UTCTIME_adj(s, t, offset_day, offset_sec);
        if (s->type == V_ASN1_GENERALIZEDTIME)
            return ASN1_GENERALIZEDTIME_adj(s, t, offset_day, offset_sec);
    }
    return ASN1_TIME_adj(s, t, offset_day, offset_sec);
}

This label identifies security gaps where expected security features are missing or only partially implemented, reducing protection against unauthorized access or manipulation.