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Date: Tue, 25 Jun 2024 12:15:22 +0000
From: Qualys Security Advisory <>
To: Douglas Bagnall <>
CC: "" <>
Subject: Re: Out-of-bounds read & write in the glibc's qsort()

Hi Douglas,

On Tue, Jun 25, 2024 at 11:49:40AM +1200, Douglas Bagnall wrote:
> So Samba was very susceptible to this bug. The good news is
> ldb_qsort() is not used in very many places, and some of those places
> already used transitive comparison functions. The other good news is
> that *now* it is patched with the "tmp_ptr > base_ptr &&" fix. And the
> third good news is that the comparison functions are fixed. That's in
> 4.19.7 and 4.20.2.

This is really interesting, thank you very much for your work on all
this and for taking the time to write this detailed analysis! We are
extremely happy that our advisory has been useful.

With best regards,

the Qualys Security Advisory team

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