Ubuntu 26.04 libwww-perl Important Info Leak Vulnerability 2026-8368

ubuntu

June 3, 2026

libwww-perl could be made to expose sensitive information over the network.

Summary

libwww-perl could be made to expose sensitive information over the network.

Software Description:

- libwww-perl: simple and consistent interface to the world-wide web

Details:

It was discovered that libwww-perl incorrectly handled redirects. A remote

attacker could possibly use this issue to obtain sensitive information by

causing Authorization headers to be sent to a different host.

Topics Covered

security advisory remote attack Ubuntu important information disclosure libwww-perl

Update Instructions

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

Ubuntu 26.04 LTS
  libwww-perl                     6.81-1ubuntu0.1

Ubuntu 25.10
  libwww-perl                     6.78-1ubuntu0.1

Ubuntu 24.04 LTS
  libwww-perl                     6.76-1ubuntu0.1

Ubuntu 22.04 LTS
  libwww-perl                     6.61-1ubuntu0.1

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