Most systems contain bugs, or loopholes, which may be exploited by malware.

The 2005 version of the constitution proved controversial, some believing it to contain loopholes and inconsistencies.

Even after the Governor's acrimonious rejection of an earlier draft as too weak, the final product contains loopholes.

But critics say the law contains loopholes which can easily be exploited.

But it contained loopholes that limited its impact.

The accord contained loopholes that were quickly attacked by critics, including many hawks in Congress.

And they noted that several elements of the new law contain important loopholes.

Still, the constitutional proposals being discussed contain several loopholes and caveats.

Shoreline laws now contain major loopholes, and communities often compete for protection programs.

The secretarial allowance rules still contain loopholes, which mean that the money is not always spent on staff, as it should be.