Home / mailings [USN-3389-2] GD vulnerability
Posted on 14 August 2017
Ubuntu Security==========================
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Ubuntu Security Notice USN-3389-2
August 14, 2017
libgd2 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
The system could be made to expose sensitive information.
Software Description:
- libgd2: GD Graphics Library
Details:
USN-3389-1 fixed a vulnerability in GD Graphics Library.
This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
=C2=A0A vulnerability was discovered in GD Graphics Library (aka libgd),
=C2=A0as used in PHP that does not zero colorMap arrays before use.
=C2=A0A specially crafted GIF image could use the uninitialized tables to
=C2=A0read bytes from the top of the stack.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
=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=A02.0.36=
~rc1~dfsg-6ubuntu2.5
In general, a standard system update will make all the necessary
changes.
References:
=C2=A0 https://www.ubuntu.com/usn/usn-3389-2
=C2=A0 https://www.ubuntu.com/usn/usn-3389-1
=C2=A0 CVE-2017-7890