Re: libxml2 author overwhelmed with security requests

From: Sandeep Thakkar <sandeep(dot)thakkar(at)enterprisedb(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Jim Jones <jim(dot)jones(at)uni-muenster(dot)de>, PostgreSQL-development <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: libxml2 author overwhelmed with security requests
Date: 2025-07-21 07:16:03
Message-ID: CANFyU97ka5aQH0ZWckaT6R=ctq7FOqzuY0TGuuNDh0--Nhb-AQ@mail.gmail.com
Views: Whole Thread | Raw Message | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Fri, Jun 20, 2025 at 2:42 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> > Own implementation of SQL/XML generating functions like XMLFOREST or
> > XMLELEMENT should not be too
> > difficult. Significantly more difficult problem is parsing of XML (more
> > with namespaces), although some basic
> > support for XMLTABLE should not be too hard too.
>
> I don't think anybody really wants to roll our own XML parser.
>
> > Isn't possible to call Rust code from C? Then maybe there are some
> > possibility from Rust world
> > https://github.com/ballsteve/xrust
>
> Maybe. I think the fundamental problem here, similar to what we've
> run into elsewhere, is that we chose a library to depend on without
> thinking hard enough about whether it would be well-supported in the
> long run. I see little reason to think that that risk would be less
> for some random not-written-in-C implementation. If we want to
> jump ship away from libxml2, we had better ask hard questions about
> the new choice.
>

Also, libxslt depends on libxml2, and there is no maintainer now after the
recent commits done to remove the existing ones:
https://gitlab.gnome.org/GNOME/libxslt/-/commit/c8b1ea4b89a9b81fa611f32c80f47df0c3b3b004
https://gitlab.gnome.org/GNOME/libxslt/-/commit/923903c59d668af42e3144bc623c9190a0f65988

> regards, tom lane
>
>
>

--
Sandeep Thakkar

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message shveta malik 2025-07-21 07:35:30 Re: POC: enable logical decoding when wal_level = 'replica' without a server restart
Previous Message Nazir Bilal Yavuz 2025-07-21 06:53:45 Re: index prefetching