1. Ubuntu Security Notices
  2. USN-5969-1

USN-5969-1: gif2apng vulnerabilities

Publication date

23 March 2023

Overview

Several security issues were fixed in gif2apng.

Releases

Packages

  • gif2apng - tool for converting animated GIF images to APNG format

Details

It was discovered that gif2apng contained multiple heap-base overflows. An
attacker could potentially exploit this to cause a denial of service (system
crash). (CVE-2021-45909, CVE-2021-45910, CVE-2021-45911)

It was discovered that gif2apng contained multiple heap-base overflows. An
attacker could potentially exploit this to cause a denial of service (system
crash). (CVE-2021-45909, CVE-2021-45910, CVE-2021-45911)

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
20.04 focal gif2apng –  1.9+srconly-3ubuntu0.1
18.04 bionic gif2apng –  1.9+srconly-2ubuntu0.1
16.04 xenial gif2apng –  1.7-3ubuntu0.1~esm1  

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References

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