[USN-8419-1] HTTP-Daemon vulnerability

[noreply+usn-bot at canonical.com]

==========================================================================
Ubuntu Security Notice USN-8419-1
June 10, 2026

libhttp-daemon-perl vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 26.04 LTS
- Ubuntu 25.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

HTTP-Daemon could be made to run programs if it received specially crafted
network traffic.

Software Description:
- libhttp-daemon-perl: simple http server class

Details:

It was discovered that HTTP-Daemon incorrectly handled untrusted input
under certain circumstances. A remote attacker could possibly use this
issue to execute arbitrary commands, create or overwrite arbitrary files,
or expose sensitive information.

Update instructions:

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

Ubuntu 26.04 LTS
  libhttp-daemon-perl             6.16-1ubuntu0.26.04.1

Ubuntu 25.10
  libhttp-daemon-perl             6.16-1ubuntu0.25.10.1

Ubuntu 24.04 LTS
  libhttp-daemon-perl             6.16-1ubuntu0.24.04.1

Ubuntu 22.04 LTS
  libhttp-daemon-perl             6.13-1ubuntu0.2

Ubuntu 20.04 LTS
  libhttp-daemon-perl             6.06-1ubuntu0.1+esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libhttp-daemon-perl             6.01-1ubuntu0.1+esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libhttp-daemon-perl             6.01-1ubuntu0.16.04~esm2
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  libhttp-daemon-perl             6.01-1ubuntu0.14.04~esm2
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-8419-1
  CVE-2026-8450

Package Information:
  https://launchpad.net/ubuntu/+source/libhttp-daemon-perl/6.16-1ubuntu0.26.04.1
  https://launchpad.net/ubuntu/+source/libhttp-daemon-perl/6.16-1ubuntu0.25.10.1
  https://launchpad.net/ubuntu/+source/libhttp-daemon-perl/6.16-1ubuntu0.24.04.1
  https://launchpad.net/ubuntu/+source/libhttp-daemon-perl/6.13-1ubuntu0.2
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