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Ubuntu 25.04: USN-7631-1 critical: DjVuLibre denial of service

ubuntu
Calendar Grey July 9, 2025
Scroller Ubuntu
A vulnerability in DjVuLibre could cause system crashes and allow remote code execution; ensure your Ubuntu installations are updated immediately to avoid potential threats.
DjVuLibre could be made to crash or run programs if it opened a specially crafted file.

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.

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu memory operations djvulibre

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7631-1

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu memory operations djvulibre

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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