CVE-2025-43859
2 advisories.
PyPI/h11 CVE-2025-43859: critical 9.1
h11 accepts some malformed Chunked-Encoding bodies
Action: Upgrade h11 to 0.16.0 or later.
pip install h11==0.16.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.16.0 | - |
Fixed versions
| 0.16.0 |
Sources
- osv: GHSA-vqfr-h8mv-ghfj
- https://github.com/python-hyper/h11/security/advisories/GHSA-vqfr-h8mv-ghfj
- https://nvd.nist.gov/vuln/detail/CVE-2025-43859
- https://github.com/python-hyper/h11/commit/114803a29ce50116dc47951c690ad4892b1a36ed
- https://github.com/python-hyper/h11
CVE-2025-43859 · published · modified · JSON
PyPI/h11 CVE-2025-43859: critical 9.1
h11 accepts some malformed Chunked-Encoding bodies
Action: Upgrade h11 to 0.16.0 or later.
pip install h11==0.16.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.16.0 | - |
Fixed versions
| 0.16.0 |
Sources
- osv: PYSEC-2026-348
- https://github.com/python-hyper/h11/security/advisories/GHSA-vqfr-h8mv-ghfj
- https://nvd.nist.gov/vuln/detail/CVE-2025-43859
- https://github.com/python-hyper/h11/commit/114803a29ce50116dc47951c690ad4892b1a36ed
- https://github.com/python-hyper/h11
- https://pypi.org/project/h11
- https://github.com/advisories/GHSA-vqfr-h8mv-ghfj
CVE-2025-43859 · published · modified · JSON