CVE-2025-6544
CVE-2025-6544 · Deserialization Vulnerability in h2oai/h2o-3
This page contains facts from public vulnerability sources. Check the original advisory before updating.
A deserialization vulnerability exists in h2oai/h2o-3 versions <= 3.46.0.8, allowing attackers to read arbitrary system files and execute arbitrary code. The vulnerability arises from improper handling of JDBC connection parameters, which can be exploited by bypassing regular expression checks and using double URL encoding. This issue impacts all users of the affected versions.
CVSS 9.8 · Critical · EPSS 1.0% · Fix available
- Published
- Updated
Stack: python
Affected products and versions
h2oai/h2o-3
- Versions
- ≥ unspecified, < 3.46.8: Affected (custom)
Update to 3.46.8
ai.h2o:h2o-core Maven
- Versions
- 0.1.10
- 0.1.11
- 0.1.12
- 0.1.13
- 0.1.14
- 0.1.15
- 0.1.16
- 0.1.17
- 0.1.18
- 0.1.19
- 0.1.20
- 0.1.21
- 0.1.22
- 0.1.23
- 0.1.24
- 0.1.25
- 0.1.3
- 0.1.3.1
- 0.1.4
- 0.1.5
- 0.1.6
- 0.1.8
- 0.1.9
- 0.2.3.5
- 0.2.3.6
- 0.3.0.2
- 3.0.0.12
- 3.0.0.16
- 3.0.0.18
- 3.0.0.19
- 3.0.0.22
- 3.0.0.25
- 3.0.0.26
- 3.0.0.30
- 3.0.0.5
- 3.0.0.8
- 3.0.1.2
- 3.0.1.3
- 3.0.1.4
- 3.10.0.1
- 3.10.0.10
- 3.10.0.2
- 3.10.0.3
- 3.10.0.4
- 3.10.0.5
- 3.10.0.6
- 3.10.0.7
- 3.10.0.8
- 3.10.0.9
- 3.10.1.1
- 3.10.1.2
- 3.10.2.1
- 3.10.2.2
- 3.10.3.1
- 3.10.3.2
- 3.10.3.3
- 3.10.3.4
- 3.10.3.5
- 3.10.3.6
- 3.10.4.1
- 3.10.4.11
- 3.10.4.12
- 3.10.4.2
- 3.10.4.3
- 3.10.4.4
- 3.10.4.5
- 3.10.4.6
- 3.10.4.7
- 3.10.4.8
- 3.10.4.9
- 3.10.5.1
- 3.10.5.2
- 3.10.5.3
- 3.10.5.4
- 3.12.0.1
- 3.14.0.1
- 3.14.0.2
- 3.14.0.3
- 3.14.0.4
- 3.14.0.5
- 3.14.0.6
- 3.14.0.7
- 3.16.0.1
- 3.16.0.10
- 3.16.0.11
- 3.16.0.12
- 3.16.0.2
- 3.16.0.3
- 3.16.0.4
- 3.16.0.5
- 3.16.0.6
- 3.16.0.7
- 3.16.0.8
- 3.16.0.9
- 3.18.0.1
- 3.18.0.10
- 3.18.0.11
- 3.18.0.2
- 3.18.0.3
- 3.18.0.4
- 3.18.0.5
- 3.18.0.6
- 3.18.0.7
- 3.18.0.8
- 3.18.0.9
- 3.2.0.1
- 3.2.0.2
- 3.2.0.3
- 3.2.0.4
- 3.2.0.5
- 3.2.0.6
- 3.2.0.7
- 3.2.0.8
- 3.2.0.9
- 3.20.0.1
- 3.20.0.10
- 3.20.0.2
- 3.20.0.3
- 3.20.0.4
- 3.20.0.5
- 3.20.0.6
- 3.20.0.7
- 3.20.0.8
- 3.20.0.9
- 3.22.0.1
- 3.22.0.2
- 3.22.0.3
- 3.22.0.4
- 3.22.0.5
- 3.22.1.1
- 3.22.1.2
- 3.22.1.3
- 3.22.1.4
- 3.22.1.5
- 3.22.1.6
- 3.24.0.1
- 3.24.0.2
- 3.24.0.3
- 3.24.0.4
- 3.24.0.5
- 3.26.0.1
- 3.26.0.10
- 3.26.0.11
- 3.26.0.2
- 3.26.0.3
- 3.26.0.4
- 3.26.0.5
- 3.26.0.6
- 3.26.0.8
- 3.26.0.9
- 3.28.0.1
- 3.28.0.2
- 3.28.0.3
- 3.28.0.4
- 3.28.1.1
- 3.28.1.2
- 3.28.1.3
- 3.30.0.1
- 3.30.0.2
- 3.30.0.3
- 3.30.0.4
- 3.30.0.5
- 3.30.0.6
- 3.30.0.7
- 3.30.1.1
- 3.30.1.2
- 3.30.1.3
- 3.32.0.1
- 3.32.0.2
- 3.32.0.3
- 3.32.0.4
- 3.32.0.5
- 3.32.1.1
- 3.32.1.2
- 3.32.1.3
- 3.32.1.4
- 3.32.1.5
- 3.32.1.6
- 3.32.1.7
- 3.34.0.1
- 3.34.0.3
- 3.34.0.4
- 3.34.0.5
- 3.34.0.6
- 3.34.0.7
- 3.34.0.8
- 3.35.0.2
- 3.36.0.1
- 3.36.0.2
- 3.36.0.3
- 3.36.0.4
- 3.36.1.1
- 3.36.1.2
- 3.36.1.3
- 3.36.1.4
- 3.36.1.5
- 3.38.0.1
- 3.38.0.2
- 3.38.0.3
- 3.38.0.4
- 3.4.0.1
- 3.40.0.1
- 3.40.0.2
- 3.40.0.3
- 3.40.0.4
- 3.42.0.1
- 3.42.0.2
- 3.42.0.3
- 3.42.0.4
- 3.44.0.1
- 3.44.0.2
- 3.44.0.3
- 3.46.0.1
- 3.46.0.2
- 3.46.0.3
- 3.46.0.4
- 3.46.0.5
- 3.46.0.6
- 3.46.0.7
- 3.6.0.1
- 3.6.0.10
- 3.6.0.11
- 3.6.0.12
- 3.6.0.2
- 3.6.0.3
- 3.6.0.4
- 3.6.0.5
- 3.6.0.7
- 3.6.0.8
- 3.8.0.1
- 3.8.0.2
- 3.8.0.3
- 3.8.0.4
- 3.8.0.5
- 3.8.0.6
- 3.8.1.1
- 3.8.1.2
- 3.8.1.3
- 3.8.1.4
- 3.8.2.1
- 3.8.2.11
- 3.8.2.2
- 3.8.2.3
- 3.8.2.4
- 3.8.2.5
- 3.8.2.6
- 3.8.2.7
- 3.8.2.8
- 3.8.2.9
- 3.8.3.1
- 3.8.3.2
- 3.8.3.3
- 3.8.3.4
- Affected ranges
- ECOSYSTEM: ≤ 3.46.0.7
No fix published
h2o PyPI
- Versions
- 3.10.0.10
- 3.10.0.3
- 3.10.0.6
- 3.10.0.7
- 3.10.0.8
- 3.10.3.3
- 3.10.3.4
- 3.10.4.1
- 3.10.4.2
- 3.10.4.3
- 3.10.4.4
- 3.10.4.6
- 3.10.4.8
- 3.16.0.1
- 3.16.0.2
- 3.16.0.3
- 3.16.0.4
- 3.18.0.1
- 3.18.0.10
- 3.18.0.11
- 3.18.0.2
- 3.18.0.3
- 3.18.0.4
- 3.18.0.5
- 3.18.0.6
- 3.18.0.7
- 3.18.0.8
- 3.18.0.9
- 3.20.0.4
- 3.20.0.5
- 3.20.0.6
- 3.20.0.7
- 3.20.0.8
- 3.22.0.1
- 3.22.0.2
- 3.22.0.3
- 3.22.0.4
- 3.22.0.5
- 3.22.1.1
- 3.22.1.2
- 3.22.1.3
- 3.22.1.4
- 3.22.1.5
- 3.22.1.6
- 3.24.0.1
- 3.24.0.2
- 3.24.0.3
- 3.24.0.4
- 3.24.0.5
- 3.26.0.1
- 3.26.0.10
- 3.26.0.11
- 3.26.0.2
- 3.26.0.3
- 3.26.0.4
- 3.26.0.5
- 3.26.0.6
- 3.26.0.8
- 3.26.0.9
- 3.28.0.1
- 3.28.0.2
- 3.28.0.3
- 3.28.1.2
- 3.28.1.3
- 3.30.0.1
- 3.30.0.2
- 3.30.0.3
- 3.30.0.4
- 3.30.0.5
- 3.30.0.6
- 3.30.0.7
- 3.30.1.1
- 3.30.1.2
- 3.30.1.3
- 3.32.0.2
- 3.32.0.3
- 3.32.0.4
- 3.32.0.5
- 3.32.1.1
- 3.32.1.2
- 3.32.1.3
- 3.32.1.4
- 3.32.1.5
- 3.32.1.6
- 3.32.1.7
- 3.34.0.3
- 3.34.0.7
- 3.34.0.8
- 3.36.0.2
- 3.36.0.3
- 3.36.0.4
- 3.36.1.1
- 3.36.1.2
- 3.36.1.3
- 3.36.1.4
- 3.36.1.5
- 3.38.0.1
- 3.38.0.2
- 3.38.0.3
- 3.38.0.4
- 3.40.0.1
- 3.40.0.2
- 3.40.0.3
- 3.40.0.4
- 3.42.0.1
- 3.42.0.2
- 3.42.0.3
- 3.42.0.4
- 3.44.0.1
- 3.44.0.2
- 3.44.0.3
- 3.46.0.1
- 3.46.0.2
- 3.46.0.3
- 3.46.0.4
- 3.46.0.5
- 3.46.0.6
- 3.46.0.7
- Affected ranges
- ECOSYSTEM: ≤ 3.46.0.7
No fix published