CVE-2025-66471
HighAdvisory
Published 5 Dec 2025In the index since 5 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 8.9
- base score, highest
- EPSS
- 0.007
- 51st percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 849
- of 17,787 indexed, latest versions
- Container images
- 898
- deployed by those charts
- Fix available
- 5 of 5
- affected packages
urllib3 streaming API improperly handles highly compressed data
Carried by container images the latest versions of 849 of 17,787 indexed charts deploy, on 898 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| urllib3pypi | 1.7.1, 1.10.2, 1.13.1, 1.19.1+49 more | 2.6.0 | 854 |
| py3-pipapk | 25.0.1-r0, 25.2-r0, 26.0.1-r1 | 26.1.1-r0 | 3 |
| python-pipdeb | 1.5.4-1ubuntu4, 8.1.1-2ubuntu0.4, 9.0.1-2.3~ubuntu1, 9.0.1-2.3~ubuntu1.18.04.1+23 more | 22.0.2+dfsg-1ubuntu0.7+esm3, 24.0+dfsg-1ubuntu1.3+esm3 | 108 |
| python-urllib3deb | 1.7.1-1build1, 1.7.1-1ubuntu4, 1.13.1-2ubuntu0.16.04.1, 1.13.1-2ubuntu0.16.04.2+17 more | 1.25.8-2ubuntu0.4+esm2, 1.26.5-1~exp1ubuntu0.4, 2.0.7-1ubuntu0.3 | 69 |
| python-urllib3rpm | 1.10.2-7.el7 | 0:1.10.2-7.el7_9.1 | 1 |
- OSV records
- CGA-6rv2-pgqx-6frwCGA-9xrh-87x9-46fcDEBIAN-CVE-2025-66471GHSA-2xpw-w6gg-jr37RHSA-2026:9031UBUNTU-CVE-2025-66471
- Also known as
- CGA-v664-8xrh-754v, CGA-vfcj-jpxf-gprq, PYSEC-2026-1994, USN-7927-1, USN-7927-2, USN-7927-3, USN-8344-1, USN-8344-2, USN-8344-3
Charts affected
849 by stars
Container images carrying it
898 by charts deploying them
A fixed version is listed for 5 of the 5 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| jmferrer/ | 030f68ec6998 | urllib3 | 2.6.0 | 1 |
| jordan/ | f75025fe8ea8 | urllib3 python-urllib3 | 2.6.0 no fix listed | 1 |
| josh5/ | 4d49c4816260 | urllib3 python-pip | 2.6.0 22.0.2+dfsg-1ubuntu0.7+esm3 | 1 |
| juicedata/ | 95008ba63318 | urllib3 python-urllib3 | 2.6.0 no fix listed | 1 |
| juicedata/ | d915e899e322 | urllib3 | 2.6.0 | 1 |
| julb/ | 837c4038a0dd | urllib3 | 2.6.0 | 1 |
| julb/ | d7d8836366ad | urllib3 | 2.6.0 | 1 |
| jupyterhub/ | 3974ba945e65 | python-pip | 24.0+dfsg-1ubuntu1.3+esm3 | 1 |
| jupyterhub/ | 5a0ceed1300a | urllib3 | 2.6.0 | 1 |
| jupyterhub/ | b6b4a1a34bf0 | urllib3 python-pip | 2.6.0 no fix listed | 1 |
| jupyterhub/ | e4770285aaf7 | urllib3 python-pip | 2.6.0 no fix listed | 1 |
| jupyterhub/ | 8e4778efec8e | urllib3 | 2.6.0 | 1 |
| jupyterhub/ | e3e6f3051df8 | urllib3 | 2.6.0 | 1 |
| keitaro/ | 5bf1a45f45c1 | urllib3 | 2.6.0 | 1 |
| kelvinsp/ | cd33e6db2a59 | urllib3 | 2.6.0 | 1 |
| kennethreitz/ | 599fe5e50731 | python-pip | no fix listed | 1 |
| kfirfer/ | cf81d0959256 | urllib3 | 2.6.0 | 1 |
| kfirfer/ | e88cfcec5c93 | urllib3 | 2.6.0 | 1 |
| kfirfer/ | 81e5c4e5d70e | urllib3 | 2.6.0 | 1 |
| kfirfer/ | 461331bd838e | urllib3 | 2.6.0 | 1 |
| kfserving/ | f322d6ffdfa3 | urllib3 | 2.6.0 | 1 |
| kinseii/ | 7160eb143728 | urllib3 python-urllib3 | 2.6.0 no fix listed | 1 |
| kiwigrid/ | 3e86186656d3 | urllib3 | 2.6.0 | 1 |
| kiwigrid/ | 65095a82d4a1 | urllib3 | 2.6.0 | 1 |
| kiwigrid/ | 6eb52513d59e | urllib3 | 2.6.0 | 1 |
| kiwigrid/ | 89739be9ff38 | urllib3 | 2.6.0 | 1 |
| kiwigrid/ | 899ccd0b1f54 | urllib3 | 2.6.0 | 1 |
| kiwigrid/ | af151f677a63 | urllib3 | 2.6.0 | 1 |
| kiwigrid/ | db85bd553253 | urllib3 | 2.6.0 | 1 |
| kiwigrid/ | e271016441af | urllib3 | 2.6.0 | 1 |
| knspar/ | 09499d2dc91a | urllib3 python-pip | 2.6.0 24.0+dfsg-1ubuntu1.3+esm3 | 1 |
| knspar/ | 0c4f0543ee58 | urllib3 | 2.6.0 | 1 |
| kobotoolbox/ | b15679454415 | urllib3 | 2.6.0 | 1 |
| kobotoolbox/ | bcacc01bccd4 | urllib3 | 2.6.0 | 1 |
| kocolosk/ | 6effb982154e | urllib3 | 2.6.0 | 1 |
| kong/ | a6ac46531193 | python-pip | 22.0.2+dfsg-1ubuntu0.7+esm3 | 1 |
| kserve/ | 63ea05e73842 | urllib3 | 2.6.0 | 1 |
| kserve/ | 73486345a602 | urllib3 | 2.6.0 | 1 |
| kubeaws/ | c9cd2ba4373a | urllib3 | 2.6.0 | 1 |
| kubeflownotebookswg/ | afb52057c997 | urllib3 | 2.6.0 | 1 |
| kubeflownotebookswg/ | d762690e21c1 | urllib3 | 2.6.0 | 1 |
| kubeflownotebookswg/ | 0876fef1973b | urllib3 | 2.6.0 | 1 |
| kubeflownotebookswg/ | 77f07f52a84a | urllib3 | 2.6.0 | 1 |
| kubeflownotebookswg/ | 7299fa94db15 | urllib3 | 2.6.0 | 1 |
| kubeflownotebookswg/ | f63c3e550af3 | urllib3 | 2.6.0 | 1 |
| kubegems/ | 10abb76892b8 | urllib3 | 2.6.0 | 1 |
| kubesphere/ | 378f49ec9c44 | urllib3 | 2.6.0 | 1 |
| kubesphere/ | b8ad79759bcd | urllib3 | 2.6.0 | 1 |
| kubitodev/ | aa24869319bf | urllib3 | 2.6.0 | 1 |
| kusionstack/ | b707d3bf0abd | urllib3 | 2.6.0 | 1 |