USN-4316-2: GD Graphics Library vulnerabilities

USN-4316-2: GD Graphics Library vulnerabilities

libgd2 vulnerabilities

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-4316-2: GD Graphics Library vulnerabilities

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