Ref# ADV2025_243 | Date: Aug 5th 2025

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GitHub has published a security advisory highlighting vulnerabilities in the following product on July 29th, 2025. It is recommended that you take the necessary precautions by ensuring your products are always updated. 

• GitHub Enterprise Server – versions prior to 3.17.4 

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

GitHub Release Notes #3.17.4 

The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary. 

PDF Download: GitHub Security Advisory

References 

• GitHub. (July 29th, 2025). Retrieved from GitHub. https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.4  

• GitHub Security Advisory. (July 31st, 2025). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/github-security-advisory-av25-472