Ubuntu 25.04: USN-7486-1 critical: libfcgi arbitrary code execution

ubuntu

May 6, 2025

FastCGI could be made to crash or execute arbitrary code.

Summary

FastCGI could be made to crash or execute arbitrary code.

Software Description:

- 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.

Topics Covered

security advisory system update arbitrary code ubuntu crash libfcgi

Update Instructions

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

Ubuntu 25.04
  libfcgi0t64                     2.4.2-2.1ubuntu0.25.04.1

Ubuntu 24.10
  libfcgi0t64                     2.4.2-2.1ubuntu0.24.10.1

Ubuntu 24.04 LTS
  libfcgi0t64                     2.4.2-2.1ubuntu0.24.04.1

Ubuntu 22.04 LTS
  libfcgi0ldbl                    2.4.2-2ubuntu0.1

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