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[USN-8321-1] Papers vulnerability

Posted on 27 May 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8321-1
May 27, 2026

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

- Ubuntu 26.04 LTS
- Ubuntu 25.10

Summary:

Papers could be made to run programs as your login if it opened a
specially crafted PDF file.

Software Description:
- papers: PDF document viewer for GNOME

Details:

It was discovered that Papers incorrectly handled PDF /GoToR actions. If a
user were tricked into opening a specially crafted PDF file, an attacker
could use this issue to manipulate command lines and possibly execute
arbitrary code.

Update instructions:

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

Ubuntu 26.04 LTS
papers 50.1-0ubuntu1.1

Ubuntu 25.10
papers 48.0-1ubuntu1.25.10.4

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

References:
https://ubuntu.com/security/notices/USN-8321-1
CVE-2026-46529

Package Information:
https://launchpad.net/ubuntu/+source/papers/50.1-0ubuntu1.1
https://launchpad.net/ubuntu/+source/papers/48.0-1ubuntu1.25.10.4

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