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
- 845
- of 17,790 indexed, latest versions
- Container images
- 893
- 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 845 of 17,790 indexed charts deploy, on 893 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 | 851 |
| 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 | 106 |
| 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 | 68 |
| 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
845 by stars
Container images carrying it
893 by charts deploying them
A fixed version is listed for 5 of the 5 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| matrixdotorg/ | cb89c0f17ba1 | urllib3 | 2.6.0 | 1 |
| matrixdotorg/ | def97fd537d8 | urllib3 | 2.6.0 | 1 |
| mediagis/ | 7923a8e67197 | urllib3 python-pip | 2.6.0 24.0+dfsg-1ubuntu1.3+esm3 | 1 |
| mediagis/ | c15e941485ef | urllib3 python-pip | 2.6.0 no fix listed | 1 |
| mediagis/ | d0eae7b51374 | urllib3 python-pip | 2.6.0 22.0.2+dfsg-1ubuntu0.7+esm3 | 1 |
| milesmcc/ | ba54f7797a6b | urllib3 | 2.6.0 | 1 |
| milesmcc/ | e821e31140f7 | urllib3 | 2.6.0 | 1 |
| mintproject/ | 67d2f2103085 | urllib3 | 2.6.0 | 1 |
| mintproject/ | 02260d20a21f | urllib3 | 2.6.0 | 1 |
| mondata/ | 6f94c6caf8bf | urllib3 | 2.6.0 | 1 |
| moonrailgun/ | b528c8f8fcc4 | urllib3 | 2.6.0 | 1 |
| moreillon/ | bacb2ddd8394 | urllib3 | 2.6.0 | 1 |
| mozilla/ | 016162bf39d8 | urllib3 | 2.6.0 | 1 |
| mozilla/ | 93752877dced | urllib3 | 2.6.0 | 1 |
| mshanley80/ | 5b189a70c0fb | python-pip | no fix listed | 1 |
| muhammedgamal/ | 74b4cd69b6fa | urllib3 | 2.6.0 | 1 |
| muluder/ | 43b597a93da7 | urllib3 python-urllib3 | 2.6.0 no fix listed | 1 |
| mvitale1989/ | 1504ccda06df | urllib3 | 2.6.0 | 1 |
| nathanielvarona/ | b746a34e5597 | urllib3 | 2.6.0 | 1 |
| neilpeterson/ | 64fd8dab075f | urllib3 | 2.6.0 | 1 |
| neilpeterson/ | 8b645ac1a23e | urllib3 | 2.6.0 | 1 |
| neilpeterson/ | 6527b05d5d03 | urllib3 | 2.6.0 | 1 |
| neilpeterson/ | 29d229ab446e | urllib3 | 2.6.0 | 1 |
| neilpeterson/ | 969af3cb8466 | urllib3 | 2.6.0 | 1 |
| neilpeterson/ | 39ce9f92e899 | urllib3 | 2.6.0 | 1 |
| netbirdio/ | 15a3aab9a345 | urllib3 | 2.6.0 | 1 |
| netbirdio/ | 1b59e1c905c9 | urllib3 | 2.6.0 | 1 |
| netbirdio/ | 332cc31f5f35 | urllib3 | 2.6.0 | 1 |
| netbirdio/ | 88b5fb704a8c | urllib3 | 2.6.0 | 1 |
| netboxcommunity/ | 3d652dca5351 | urllib3 | 2.6.0 | 1 |
| netboxcommunity/ | 9bf83b350a89 | urllib3 | 2.6.0 | 1 |
| ngoduykhanh/ | 099371dd9ba6 | urllib3 | 2.6.0 | 1 |
| ngoduykhanh/ | 9898a7cf37d2 | urllib3 | 2.6.0 | 1 |
| nlmacamp/ | 5dbb8589f824 | urllib3 | 2.6.0 | 1 |
| nyurik/ | e0553236e3eb | urllib3 | 2.6.0 | 1 |
| octoprint/ | 106c26efcd8a | urllib3 | 2.6.0 | 1 |
| octoprint/ | ea3bffae2470 | urllib3 | 2.6.0 | 1 |
| odaniait/ | 3fff8a8570ec | urllib3 | 2.6.0 | 1 |
| odavid/ | e7ab3bbc948e | urllib3 | 2.6.0 | 1 |
| omecproject/ | bcc5f19fd676 | python-pip | no fix listed | 1 |
| omecproject/ | 5715e5648aa0 | urllib3 python-urllib3 | 2.6.0 no fix listed | 1 |
| omecproject/ | d109a8e57e71 | urllib3 python-pip | 2.6.0 no fix listed | 1 |
| opea/ | 25dd26d9cd09 | urllib3 | 2.6.0 | 1 |
| opea/ | 38c51b791efa | urllib3 | 2.6.0 | 1 |
| opea/ | 58f91683892d | urllib3 | 2.6.0 | 1 |
| opea/ | e2436483b73d | urllib3 | 2.6.0 | 1 |
| opea/ | 3eaa91849512 | urllib3 | 2.6.0 | 1 |
| opea/ | 262c6048aab8 | urllib3 | 2.6.0 | 1 |
| opea/ | f68bec6a1271 | urllib3 | 2.6.0 | 1 |
| opea/ | 02f9e8fa5d71 | urllib3 | 2.6.0 | 1 |