Ubuntu Security Notice USN-4316-2 ≈ Packet Storm


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Ubuntu Security Notice USN-4316-2
April 02, 2020

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

– Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in GD Graphics Library.

Software Description:
– libgd2: Open source code library for the dynamic creation of images

Details:

USN-4316-1 fixed a vulnerability in GD Graphics Library. This update
provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that GD Graphics Library incorrectly handled cloning an
image. An attacker could possibly use this issue to cause GD Graphics
Library
to crash, resulting in a denial of service. (CVE-2018-14553)

It was discovered that GD Graphics Library incorrectly handled loading
images
from X bitmap format files. An attacker could possibly use this issue to
cause
GD Graphics Library to crash, resulting in a denial of service, or to
disclose
contents of the stack that has been left there by previous code.
(CVE-2019-11038)

Update instructions:

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

Ubuntu 14.04 ESM:
libgd-tools 2.1.0-3ubuntu0.11+esm1
libgd3 2.1.0-3ubuntu0.11+esm1

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

References:
https://usn.ubuntu.com/4316-2
https://usn.ubuntu.com/4316-1
CVE-2018-14553, CVE-2019-11038



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