USN-7486-1: FastCGI vulnerability

Publication date

6 May 2025

Overview

FastCGI could be made to crash or execute arbitrary code.


Packages

  • libfcgi - FastCGI bridge from CGI

Details

It was discovered that FastCGI incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash or
execute arbitrary code.

It was discovered that FastCGI incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash or
execute arbitrary code.

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
25.04 plucky libfcgi0t64 –  2.4.2-2.1ubuntu0.25.04.1
24.10 oracular libfcgi0t64 –  2.4.2-2.1ubuntu0.24.10.1
24.04 noble libfcgi0t64 –  2.4.2-2.1ubuntu0.24.04.1
22.04 jammy libfcgi0ldbl –  2.4.2-2ubuntu0.1

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