[USN-3755-1] GD vulnerabilities


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Ubuntu Security Notice USN-3755-1
August 27, 2018

libgd2 vulnerabilities
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in GD.

Software Description:
– libgd2: GD Graphics Library

Details:

It was discovered that GD incorrectly handled certain images.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-1000222)

It was discovered that GD incorrectly handled certain GIF files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-5711)

Update instructions:

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

Ubuntu 18.04 LTS:
=C2=A0 libgd-tools=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A02.2.5-=
4ubuntu0.2
=C2=A0 libgd3=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A02.2.5-4ubuntu0.2

Ubuntu 16.04 LTS:
=C2=A0 libgd-tools=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A02.1.1-=
4ubuntu0.16.04.10
=C2=A0 libgd3=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A02.1.1-4ubuntu0.16.04.10

Ubuntu 14.04 LTS:
=C2=A0 libgd-tools=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A02.1.0-=
3ubuntu0.10
=C2=A0 libgd3=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A02.1.0-3ubuntu0.10

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

References:
=C2=A0 https://usn.ubuntu.com/usn/usn-3755-1
=C2=A0 CVE-2018-1000222, CVE-2018-5711

Package Information:
=C2=A0 https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu0.2
=C2=A0 https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.10
=C2=A0 https://launchpad.net/ubuntu/+source/libgd2/2.1.0-3ubuntu0.10
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