Postgres Pro
Downloads
Home   >   mailing lists

Re: Found a buffer-overflow defect in asynchronous database connection API PQconnectPoll - Mailing list pgsql-bugs

From Tom Lane
Subject Re: Found a buffer-overflow defect in asynchronous database connection API PQconnectPoll
Date
Msg-id 2338837.1624471430@sss.pgh.pa.us
Whole thread Raw
In response to Re: Found a buffer-overflow defect in asynchronous database connection API PQconnectPoll  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Found a buffer-overflow defect in asynchronous database connection API PQconnectPoll  (Sudheer H R <sudheer.hr@tekenlight.com>)
List pgsql-bugs
Tree view 
I wrote:
> Hmph.  I can't reproduce this on RHEL8: so far as I can tell, the string
> is physically null-terminated, and clang's address sanitizer doesn't
> complain either.  Still, given the vagueness of the spec for
> gss_display_status, it seems wise to not assume that every GSS
> implementation acts the same.

I've committed fixes to make our code rely on the returned length
field instead.  Hopefully that won't expose any new bugs in other
GSS implementations :-(

            regards, tom lane

pgsql-bugs by date:

Previous
From: Tom Lane
Date:
Subject: Re: Found a buffer-overflow defect in asynchronous database connection API PQconnectPoll
Next
From: Tom Lane
Date:
Subject: Re: BUG #17071: ORDER BY gets ignored when result set has only one row, but another one gets added by rollup()