Re: BUG #18943: Return value of a function 'xmlBufferCreate' is dereferenced at xpath.c:177 without checking for NUL

From: Jim Jones <jim(dot)jones(at)uni-muenster(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-bugs(at)lists(dot)postgresql(dot)org, maralist86(at)mail(dot)ru
Subject: Re: BUG #18943: Return value of a function 'xmlBufferCreate' is dereferenced at xpath.c:177 without checking for NUL
Date: 2025-06-08 17:00:25
Message-ID: 8109cb57-0628-4a47-bbdb-81990c7ce1fb@uni-muenster.de
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On 08.06.25 17:40, Tom Lane wrote:
> Our risk-aversion level rises steadily over the course of a release
> cycle, and is pretty high post beta1. While I think the problems
> we're trying to fix here are real, they are very low-probability
> (I don't recall hearing any field reports traceable to this).
> And you have to remember there is also some risk of introducing
> new bugs. On balance it's not a change I would back-patch, and
> at this point v18 is pretty close to being a stable branch so
> it's not getting fixes we wouldn't back-patch, unless that's
> because they are in new-in-18 code.

Makes sense. Thanks for the clarification!

Best regards, Jim

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