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[USN-8839-1] Atril vulnerabilities

Posted on 29 September 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8839-1
September 28, 2026

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

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

Summary:

Several security issues were fixed in Atril.

Software Description:
- atril: Official Document Viewer of the MATE Desktop Environment

Details:

It was discovered that Atril did not properly sanitize command-line
arguments in PDF /GoToR actions. If a user opened a specially crafted PDF
file, an attacker could possibly use this issue to execute arbitrary code.
(CVE-2026-46529)

It was discovered that Atril incorrectly handled certain PDF files. An
attacker could possibly use this issue to cause a denial of service or
to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS.
(CVE-2019-1010006)

Andy Nguyen discovered that Atril incorrectly handled certain images. An
attacker could possibly use this issue to expose sensitive information.
This issue only affected Ubuntu 16.04 LTS. (CVE-2019-11459)

Update instructions:

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

Ubuntu 26.04 LTS
atril 1.28.2-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 24.04 LTS
atril 1.26.2-3ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 22.04 LTS
atril 1.26.0-1ubuntu1.2+esm1
Available with Ubuntu Pro

Ubuntu 20.04 LTS
atril 1.24.0-1ubuntu0.2+esm1
Available with Ubuntu Pro

Ubuntu 18.04 LTS
atril 1.20.1-2ubuntu2+esm3
Available with Ubuntu Pro

Ubuntu 16.04 LTS
atril 1.12.2-1ubuntu0.3+esm1
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-8839-1
CVE-2019-1010006, CVE-2019-11459, CVE-2026-46529

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