Tom Lane <[EMAIL PROTECTED]> writes:

> Justin Clift <[EMAIL PROTECTED]> writes:
>> Am I understanding this right:
>>  - A PostgreSQL 7.2.1 server can be crashed if it gets passed certain
>> date values which would be accepted by standard "front end" parsing? 
>
> AFAIK it's a buffer overrun issue, so anything that looks like a
> reasonable date would *not* cause the problem.

Yes, but if you just check that the date given by the user matches the
regular expression "[0-9]+-[0-9]+-[0-9]+", it's still possible to
crash the backend.

-- 
Florian Weimer                    [EMAIL PROTECTED]
University of Stuttgart           http://CERT.Uni-Stuttgart.DE/people/fw/
RUS-CERT                          fax +49-711-685-5898

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