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[USN-7631-1] DjVuLibre vulnerability

Posted on 09 July 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7631-1
July 09, 2025

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

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

DjVuLibre could be made to crash or run programs if it opened a specially
crafted file.

Software Description:
- djvulibre: DjVu image format library and tools

Details:

It was discovered that DjVuLibre incorrectly handled certain memory
operations. If a user or automated system were tricked into processing a
specially crafted DjVu file, a remote attacker could cause applications
to stop responding or crash, resulting in a denial of service, or possibly
execute arbitrary code.

Update instructions:

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

Ubuntu 25.04
libdjvulibre21 3.5.28-2ubuntu0.25.04.1

Ubuntu 24.04 LTS
libdjvulibre21 3.5.28-2ubuntu0.24.04.1

Ubuntu 22.04 LTS
libdjvulibre21 3.5.28-2ubuntu0.22.04.1

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

References:
https://ubuntu.com/security/notices/USN-7631-1
CVE-2025-53367

Package Information:
https://launchpad.net/ubuntu/+source/djvulibre/3.5.28-2ubuntu0.25.04.1
https://launchpad.net/ubuntu/+source/djvulibre/3.5.28-2ubuntu0.24.04.1
https://launchpad.net/ubuntu/+source/djvulibre/3.5.28-2ubuntu0.22.04.1

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