USN-4316-1: GD Graphics Library vulnerabilities

Releases

• Ubuntu 19.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• libgd2 - Open source code library for the dynamic creation of images

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. This issue
only affected Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2019-11038)

Update instructions

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

Ubuntu 19.10

• libgd-tools - 2.2.5-5.2ubuntu0.19.10.1
• libgd3 - 2.2.5-5.2ubuntu0.19.10.1

Ubuntu 18.04

• libgd-tools - 2.2.5-4ubuntu0.4
• libgd3 - 2.2.5-4ubuntu0.4

Ubuntu 16.04

• libgd-tools - 2.1.1-4ubuntu0.16.04.12
• libgd3 - 2.1.1-4ubuntu0.16.04.12

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

References

• CVE-2018-14553
• CVE-2019-11038

Related notices

• USN-4316-2: libgd3, libgd2-xpm-dev, libgd-dev, libgd-tools, libgd2, libgd2-noxpm-dev