1. Ubuntu Security Notices
  2. USN-5068-1

USN-5068-1: GD library vulnerabilities

Publication date

8 September 2021

Overview

Several security issues were fixed in GD library.

Releases

Packages

  • libgd2 - GD Graphics Library

Details

It was discovered that GD Graphics Library incorrectly handled certain GD and GD2 files.
An attacker could possibly use this issue to cause a crash or expose sensitive information.
This issue only affected Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 ESM, and Ubuntu 14.04 ESM.
(CVE-2017-6363)

It was discovered that GD Graphics Library incorrectly handled certain TGA files.
An attacker could possibly use this issue to cause a denial of service or
expose sensitive information. (CVE-2021-381)

It was discovered that GD Graphics Library incorrectly handled certain files.
An attacker could possibly use this issue to cause a crash.
(CVE-2021-40145)

It was discovered that GD Graphics Library incorrectly handled certain GD and GD2 files.
An attacker could possibly use this issue to cause a crash or expose sensitive information.
This issue only affected Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 ESM, and Ubuntu 14.04 ESM.
(CVE-2017-6363)

It was discovered that GD Graphics Library incorrectly handled certain TGA files.
An attacker could possibly use this issue to cause a denial of service or
expose sensitive information. (CVE-2021-381)

It was discovered that GD Graphics Library incorrectly handled certain files.
An attacker could possibly use this issue to cause a crash.
(CVE-2021-40145)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
21.04 hirsute libgd3 –  2.3.0-2ubuntu0.1
20.04 focal libgd3 –  2.2.5-5.2ubuntu2.1
18.04 bionic libgd3 –  2.2.5-4ubuntu0.5
16.04 xenial libgd3 –  2.1.1-4ubuntu0.16.04.12+esm1  
14.04 trusty libgd3 –  2.1.0-3ubuntu0.11+esm2  

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References

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