Ref# ADV2025_343 | Date: Oct 1st 2025

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Ubuntu published a security advisory highlighting vulnerabilities in the following products between September 22nd and 28th , 2025. It is recommended that you take these necessary precautions by ensuring your products are always updated. 

• Ubuntu 18.04 LTS 

• Ubuntu 20.04 LTS 

• Ubuntu 22.04 LTS 

• Ubuntu 24.04 LTS 

• Ubuntu 25.04 

For more information on this update, you can follow this URL: 

• Ubuntu Security Notices 

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary. 

PDF Download: Ubuntu Security Advisory

References 

• Ubuntu Security Advisories. (n.d). Retrieved from Ubuntu. https://ubuntu.com/security/notices 

  

• Ubuntu Security Advisory. (September 29th, 2025). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/ubuntu-security-advisory-av25-626