--===============4710443163292936373==
Content-Type: multipart/signed; micalg="pgp-sha256";
	protocol="application/pgp-signature";
 boundary="=-encsOUo6gYrFfhLgz81t"


--=-encsOUo6gYrFfhLgz81t
Content-Type: text/plain; charset="UTF-8
Content-Transfer-Encoding: quoted-printable

==========================================================================
Ubuntu Security Notice USN-3712-1
July 11, 2018

libpng, libpng1.6 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in libpng.

Software Description:
- libpng1.6: PNG library - development (version 1.6)
- libpng: PNG (Portable Network Graphics) file library

Details:

Patrick Keshishian discovered that libpng incorrectly handled certain
PNG files. An attacker could possibly use this to cause a denial of
service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04
LTS. (CVE-2016-10087)

Thuan Pham discovered that libpng incorrectly handled certain PNG
files. An attacker could possibly use this to cause a denial of
service. This issue only affected Ubuntu 17.10 and Ubuntu 18.04 LTS.
(CVE-2018-13785)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
  libpng16-16                     1.6.34-1ubuntu0.18.04.1

Ubuntu 17.10:
  libpng16-16                     1.6.34-1ubuntu0.17.10.1

Ubuntu 16.04 LTS:
  libpng12-0                      1.2.54-1ubuntu1.1

Ubuntu 14.04 LTS:
  libpng12-0                      1.2.50-1ubuntu2.14.04.3

In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3712-1
  CVE-2016-10087, CVE-2018-13785

Package Information:
  https://launchpad.net/ubuntu/+source/libpng1.6/1.6.34-1ubuntu0.18.04.
1
  https://launchpad.net/ubuntu/+source/libpng1.6/1.6.34-1ubuntu0.17.10.
1
  https://launchpad.net/ubuntu/+source/libpng/1.2.54-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/libpng/1.2.50-1ubuntu2.14.04.3
--=-encsOUo6gYrFfhLgz81t
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: This is a digitally signed message part
Content-Transfer-Encoding: 7bit

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=gF7Z
-----END PGP SIGNATURE-----

--=-encsOUo6gYrFfhLgz81t--



--===============4710443163292936373==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: inline

LS0gCnVidW50dS1zZWN1cml0eS1hbm5vdW5jZSBtYWlsaW5nIGxpc3QKdWJ1bnR1LXNlY3VyaXR5
LWFubm91bmNlQGxpc3RzLnVidW50dS5jb20KTW9kaWZ5IHNldHRpbmdzIG9yIHVuc3Vic2NyaWJl
IGF0OiBodHRwczovL2xpc3RzLnVidW50dS5jb20vbWFpbG1hbi9saXN0aW5mby91YnVudHUtc2Vj
dXJpdHktYW5ub3VuY2UK

--===============4710443163292936373==--