CVE-2025-66471
2 advisories.
PyPI/urllib3 CVE-2025-66471: high, EPSS 0.68%
urllib3 streaming API improperly handles highly compressed data
Action: Upgrade urllib3 to 2.6.0 or later.
pip install urllib3==2.6.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.0 | 2.6.0 | - |
Fixed versions
| 2.6.0 |
Sources
- osv: GHSA-2xpw-w6gg-jr37
- https://github.com/urllib3/urllib3/security/advisories/GHSA-2xpw-w6gg-jr37
- https://nvd.nist.gov/vuln/detail/CVE-2025-66471
- https://github.com/urllib3/urllib3/commit/c19571de34c47de3a766541b041637ba5f716ed7
- https://github.com/urllib3/urllib3/commit/d0fde3672e4a4093f7587858dccfc298eb66e46c
- https://github.com/advisories/GHSA-2xpw-w6gg-jr37
- https://github.com/pypa/advisory-database/tree/main/vulns/urllib3/PYSEC-2026-1994.yaml
- https://github.com/urllib3/urllib3
- https://pypi.org/project/urllib3
CVE-2025-66471 · published · modified · JSON
PyPI/urllib3 CVE-2025-66471: unknown, EPSS 0.68%
urllib3 streaming API improperly handles highly compressed data
Action: Upgrade urllib3 to 2.6.0 or later.
pip install urllib3==2.6.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.0 | 2.6.0 | - |
Fixed versions
| 2.6.0 |
Sources
- osv: PYSEC-2026-1994
- https://github.com/urllib3/urllib3/security/advisories/GHSA-2xpw-w6gg-jr37
- https://nvd.nist.gov/vuln/detail/CVE-2025-66471
- https://github.com/urllib3/urllib3/commit/c19571de34c47de3a766541b041637ba5f716ed7
- https://github.com/urllib3/urllib3
- https://pypi.org/project/urllib3
- https://github.com/advisories/GHSA-2xpw-w6gg-jr37
CVE-2025-66471 · published · modified · JSON