pushValue_internal(TSQueryParserState state, pg_crc32 valcrc, int distance, int lenval, int weight, bool prefix)
{
	QueryOperand *tmp;

	if (distance >= MAXSTRPOS)
		ereport(ERROR,
				(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
				 errmsg("value is too big in tsquery: \"%s\"",
						state->buffer)));
	if (lenval >= MAXSTRLEN)
		ereport(ERROR,
				(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
				 errmsg("operand is too long in tsquery: \"%s\"",
						state->buffer)));

	tmp = (QueryOperand *) palloc0(sizeof(QueryOperand));
	tmp->type = QI_VAL;
	tmp->weight = weight;
	tmp->prefix = prefix;
	tmp->valcrc = (int32) valcrc;
	tmp->length = lenval;
	tmp->distance = distance;

	state->polstr = lcons(tmp, state->polstr);
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.