Re: Bug#860276: jessie-pu: package glibc/2.19-18+deb8u8
On Fri, 2017-04-28 at 00:25 +0200, Aurelien Jarno wrote:
> On 2017-04-27 22:58, Aurelien Jarno wrote:
> > On 2017-04-23 21:18, Adam D. Barratt wrote:
> > > On Thu, 2017-04-13 at 23:19 +0200, Aurelien Jarno wrote:
> > > > I would like to upload a new glibc package for the next jessie release.
> > > > Here is the changelog with some additional comment:
> > > >
> > > > * Update from upstream stable branch:
> > > > - Fix PowerPC sqrt inaccuracy. Closes: #855606.
> > > >
> > > > This fixes a regression introduced in glibc 2.19-18+deb8u7, which
> > > > slightly lower the precision of the sqrt function on PowerPC. This
> > > > notably causes failures in the postgresql testsuite. This code is
> > > > already present in stretch/sid.
> > > >
> > > > * patches/any/cvs-resolv-internal-qtype.diff: patch from upstream to fix a
> > > > NULL pointer dereference in libresolv when receiving a T_UNSPEC internal
> > > > QTYPE (CVE-2015-5180). Closes: #796106.
> > > >
> > > > This is a long standing security issue that has been fixed recently.
> > > > It basically change the value of a constant so that it can't only be
> > > > generated internally. The patch is already present in stretch/sid.
> > >
> > > While I doubt that either of the above should have any noticeable effect
> > > on the installer, I'd appreciate a d-i ack in any case; CCing.
> >
> > As said on IRC, I have been pointed that the second patch actually
> > breaks the breaks libnss/libnss-dns ABI. This means that the resolver
> > might not work correctly if all the binaries using libnss are restarted.
> > The same way there might be an issue on the d-i side if the libc in d-i
> > and libnss-dns-udeb are out of sync.
> >
> > Therefore I'll do a new upload without the patch fixing CVE-2015-5180,
> > leaving only the PowerPC fix. That should be either today or tomorrow.
> >
> > Sorry about this complication.
>
> I have just uploaded glibc_2.19-18+deb8u9.
Flagged for acceptance.
Regards,
Adam
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