--- title: 'USN-7813-1: FORT Validator vulnerabilities | Ubuntu security notices' description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/notices/USN-7813-1 --- 1. [Ubuntu Security Notices](https://ubuntu.com/security/notices) 2. USN-7813-1 --- # USN-7813-1: FORT Validator vulnerabilities Publication date 8 October 2025 Overview Several security issues were fixed in FORT Validator. Releases [24.04 LTS](https://ubuntu.com/security/notices?release=noble) [22.04 LTS](https://ubuntu.com/security/notices?release=jammy) [20.04 LTS](https://ubuntu.com/security/notices?release=focal) --- Open side navigation ## Packages * [fort-validator](https://ubuntu.com/security/cves?package=fort-validator) - RPKI validator and RTR server ## Details Niklas Vogel and Haya Schulmann discovered that FORT Validator did not perform proper input validation when parsing certain RPKI repository data. A remote attacker could possibly use this issue to cause FORT Validator to crash, resulting in a denial of service. ([CVE-2024-45234](https://ubuntu.com/security/CVE-2024-45234), [CVE-2024-45235](https://ubuntu.com/security/CVE-2024-45235), [CVE-2024-45236](https://ubuntu.com/security/CVE-2024-45236), [CVE-2024-45238](https://ubuntu.com/security/CVE-2024-45238), [CVE-2024-45239](https://ubuntu.com/security/CVE-2024-45239)) Niklas Vogel and Haya Schulmann discovered that FORT Validator did not perform proper input validation when parsing resource certificates. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. ([CVE-2024-45237](https://ubuntu.com/security/CVE-2024-45237)) Koen van Hove discovered that FORT Validator did not limit the duration of data transfers when fetching RPKI... --- Show more ## Update instructions After a standard system update you need to restart FORT Validator to make all the necessary changes. [Learn more about how to get the fixes.](https://ubuntu.com/security/cves/about#security) The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | | --- | --- | | 24.04 LTS noble | [fort-validator](https://launchpad.net/ubuntu/+source/fort-validator) –  1.6.1-1ubuntu0.1~esm2   Ubuntu Pro | | | | 22.04 LTS jammy | [fort-validator](https://launchpad.net/ubuntu/+source/fort-validator) –  [1.5.3-1ubuntu0.1](https://launchpad.net/ubuntu/+source/fort-validator/1.5.3-1ubuntu0.1) | | | | 20.04 LTS focal | [fort-validator](https://launchpad.net/ubuntu/+source/fort-validator) –  1.2.0-1ubuntu0.1~esm1   Ubuntu Pro | | | --- ### Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. [Get Ubuntu Pro](https://ubuntu.com/pro) ## References * [CVE-2024-48943](https://ubuntu.com/security/CVE-2024-48943) * [CVE-2024-45239](https://ubuntu.com/security/CVE-2024-45239) * [CVE-2024-45238](https://ubuntu.com/security/CVE-2024-45238) * [CVE-2024-45237](https://ubuntu.com/security/CVE-2024-45237) * [CVE-2024-45236](https://ubuntu.com/security/CVE-2024-45236) * [CVE-2024-45235](https://ubuntu.com/security/CVE-2024-45235) * [CVE-2024-45234](https://ubuntu.com/security/CVE-2024-45234)