CVE-2025-6544
2 advisories.
PyPI/h2o CVE-2025-6544: critical 9.8, EPSS 0.92%
H2O affected by a deserialization vulnerability
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 3.46.0.7 |
Fixed versions
No fixed version in the source.
Sources
- osv: GHSA-5w3j-gwgh-4rfv
- https://nvd.nist.gov/vuln/detail/CVE-2025-6544
- https://github.com/h2oai/h2o-3/commit/0298ee348f5c73673b7b542158081e79605f5f25
- https://github.com/h2oai/h2o-3
- https://huntr.com/bounties/53f35a0f-d644-4f82-93aa-89fe7e0aed40
CVE-2025-6544 · published · modified · JSON
PyPI/h2o CVE-2025-6544: critical 9.8, EPSS 0.92%
H2O affected by a deserialization vulnerability
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 3.46.0.7 |
Fixed versions
No fixed version in the source.
Sources
- osv: PYSEC-2026-349
- https://nvd.nist.gov/vuln/detail/CVE-2025-6544
- https://github.com/h2oai/h2o-3/commit/0298ee348f5c73673b7b542158081e79605f5f25
- https://github.com/h2oai/h2o-3
- https://huntr.com/bounties/53f35a0f-d644-4f82-93aa-89fe7e0aed40
- https://pypi.org/project/h2o
- https://github.com/advisories/GHSA-5w3j-gwgh-4rfv
CVE-2025-6544 · published · modified · JSON