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Ubuntu 19.10, USN-4316-1 Critical: GD Graphics Library Denial Of Service

ubuntu
Calendar Grey April 2, 2020
Dist Ubuntu Esm H88
Security patches for GD Graphics Library released in Ubuntu. Upgrade to prevent potential denial of service attacks. Discover the details today!
Several security issues were fixed in GD Graphics Library.

Summary

Several security issues were fixed in GD Graphics Library.

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu vulnerability libgd2 GD Graphics Library

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 LTS:
  libgd-tools                     2.2.5-4ubuntu0.4
  libgd3                          2.2.5-4ubuntu0.4

Ubuntu 16.04 LTS:
  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

  https://ubuntu.com/security/notices/USN-4316-1

  CVE-2018-14553, CVE-2019-11038

Severity
critical
Lowest
Low
Medium
High
Critical

April 02, 2020

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu vulnerability libgd2 GD Graphics Library

Package Information

  https://launchpad.net/ubuntu/+source/libgd2/2.2.5-5.2ubuntu0.19.10.1
  https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu0.4
  https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.12

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