CVE-2025-6507: Deserialization of Untrusted Data in h2oai/h2o-3
A vulnerability in the h2oai/h2o-3 repository allows attackers to exploit deserialization of untrusted data, potentially leading to arbitrary code execution and reading of system files. This issue affects the latest master branch version 3.47.0.99999. The vulnerability arises from the ability to bypass regular expression filters intended to prevent malicious parameter injection in JDBC connections. Attackers can manipulate spaces between parameters to evade detection, allowing for unauthorized file access and code execution. The vulnerability is addressed in version 3.46.0.8.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-6507?
CVE-2025-6507 has a high severity rating due to potential arbitrary code execution.
How do I fix CVE-2025-6507?
To fix CVE-2025-6507, upgrade to version 3.47.0 or later of h2oai/h2o-3.
What causes CVE-2025-6507?
CVE-2025-6507 is caused by deserialization of untrusted data in the h2oai/h2o-3 repository.
Which versions of h2oai/h2o-3 are affected by CVE-2025-6507?
Versions prior to 3.47.0 of h2oai/h2o-3, including the latest master branch version 3.46.0.8, are affected.
What are the potential impacts of CVE-2025-6507?
CVE-2025-6507 can lead to arbitrary code execution and unauthorized reading of system files.