CVE-2025-66418
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
- 801
- of 17,787 indexed, latest versions
- Container images
- 845
- deployed by those charts
- Fix available
- 4 of 4
- affected packages
urllib3 allows an unbounded number of links in the decompression chain
Carried by container images the latest versions of 801 of 17,787 indexed charts deploy, on 845 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| urllib3pypi | 1.24, 1.24.1, 1.24.2, 1.24.3+42 more | 2.6.0 | 818 |
| py3-pipapk | 25.0.1-r0, 25.2-r0, 26.0.1-r1 | 26.1.1-r0 | 3 |
| python-urllib3deb | 1.25.8-2ubuntu0.1, 1.25.8-2ubuntu0.2, 1.25.8-2ubuntu0.3, 1.25.8-2ubuntu0.4+6 more | 1.25.8-2ubuntu0.4+esm2, 1.26.5-1~exp1ubuntu0.4, 1.26.12-1+deb12u2, 2.0.7-1ubuntu0.3 | 46 |
| python-pipdeb | 22.0.2+dfsg-1, 22.0.2+dfsg-1ubuntu0.2, 22.0.2+dfsg-1ubuntu0.3, 22.0.2+dfsg-1ubuntu0.4+7 more | 22.0.2+dfsg-1ubuntu0.7+esm1, 24.0+dfsg-1ubuntu1.3+esm1 | 44 |
- OSV records
- CGA-7c7g-v8c7-cp3hCGA-9p8r-r9mh-6fj5DEBIAN-CVE-2025-66418GHSA-gm62-xv2j-4w53UBUNTU-CVE-2025-66418
- Also known as
- CGA-8232-8863-qprx, CGA-f9vm-whvp-q74g, PYSEC-2026-1998, USN-7927-1, USN-8344-1
Charts affected
801 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| zerossl-cert-managerzerossl-cert-manager | 0.1.0 | 1 of 2See more | 569 |
Container images carrying it
845 by charts deploying them
A fixed version is listed for 4 of the 4 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| fiware/ | 3e3ec88d59ed | urllib3 | 2.6.0 | 1 |
| fiware/ | 29456835bb2c | urllib3 python-urllib3 | 2.6.0 1.25.8-2ubuntu0.4+esm2 | 1 |
| fiware/ | 3c490a746f65 | urllib3 | 2.6.0 | 1 |
| flag5/ | 4ad5748bfcc6 | urllib3 | 2.6.0 | 1 |
| flagsmith/ | fd58556339a4 | urllib3 | 2.6.0 | 1 |
| flanksource/ | 689687a7cf95 | urllib3 | 2.6.0 | 1 |
| fossology/ | 8bd1f22ba7bb | urllib3 | 2.6.0 | 1 |
| frankescobar/ | 8a4d7e9308de | urllib3 | 2.6.0 | 1 |
| frankescobar/ | cafa03b94dac | urllib3 | 2.6.0 | 1 |
| freeipa/ | c87d77342bf5 | urllib3 | 2.6.0 | 1 |
| galaxy/ | e5c265fe9fcd | urllib3 | 2.6.0 | 1 |
| galaxy/ | e50a890e24c9 | urllib3 | 2.6.0 | 1 |
| geonode/ | 81b1d431b7e9 | python-pip | 22.0.2+dfsg-1ubuntu0.7+esm1 | 1 |
| geoscienceaustralia/ | f4039b45572a | urllib3 | 2.6.0 | 1 |
| gethue/ | 11b649636e68 | urllib3 | 2.6.0 | 1 |
| gethue/ | 5702b2c37ff9 | urllib3 | 2.6.0 | 1 |
| gethue/ | 7d5c1b9f8a79 | python-pip | 22.0.2+dfsg-1ubuntu0.7+esm1 | 1 |
| getsentry/ | 6ac37974fd2a | urllib3 | 2.6.0 | 1 |
| gluufederation/ | 1a1128b28b95 | urllib3 | 2.6.0 | 1 |
| gmaas2/ | 148fc2d9afe9 | urllib3 | 2.6.0 | 1 |
| gmelillo/ | c599d608a2f7 | urllib3 | 2.6.0 | 1 |
| goofball222/ | 43c0743701d4 | urllib3 | 2.6.0 | 1 |
| goofball222/ | 7bf26032dfce | urllib3 | 2.6.0 | 1 |
| gpappsoft/ | af7841adad26 | urllib3 | 2.6.0 | 1 |
| grafana/ | 499851658393 | urllib3 | 2.6.0 | 1 |
| graphiteapp/ | 04a0037cc2ae | urllib3 | 2.6.0 | 1 |
| greenbirdit/ | e99d53bdc944 | urllib3 | 2.6.0 | 1 |
| gristlabs/ | 6e71b1914a7e | urllib3 | 2.6.0 | 1 |
| grpl/ | c00aafee6629 | python-pip | 24.0+dfsg-1ubuntu1.3+esm1 | 1 |
| guillh/ | 4fb99dbc32b2 | urllib3 | 2.6.0 | 1 |
| gurolakman/ | ed8fd2062548 | urllib3 | 2.6.0 | 1 |
| gurolakman/ | 9abb3882bcbd | urllib3 | 2.6.0 | 1 |
| gurolakman/ | 6537e8ed8de8 | urllib3 | 2.6.0 | 1 |
| gurolakman/ | ce23b20a8a17 | urllib3 | 2.6.0 | 1 |
| gurolakman/ | b22e746edd5d | urllib3 | 2.6.0 | 1 |
| gurolakman/ | bf18525c5ad9 | urllib3 | 2.6.0 | 1 |
| gurolakman/ | 8739565c3ea2 | urllib3 | 2.6.0 | 1 |
| halkeye/ | 77b05e95fdb5 | urllib3 | 2.6.0 | 1 |
| hamzaarshad10/ | 2c1c3b86a8e7 | urllib3 | 2.6.0 | 1 |
| hamzaarshad10/ | 154f38e8668e | urllib3 | 2.6.0 | 1 |
| hansehe/ | bc8e45262bc4 | urllib3 | 2.6.0 | 1 |
| haveagitgat/ | 1256348872ce | urllib3 python-urllib3 | 2.6.0 1.25.8-2ubuntu0.4+esm2 | 1 |
| haveagitgat/ | 1e3f9328327d | urllib3 python-urllib3 | 2.6.0 1.25.8-2ubuntu0.4+esm2 | 1 |
| haveagitgat/ | 3ff0913202dd | urllib3 python-urllib3 | 2.6.0 1.25.8-2ubuntu0.4+esm2 | 1 |
| hayk96/ | 86377705e9e3 | urllib3 | 2.6.0 | 1 |
| hcguersoy/ | 63b76fdcfbe1 | urllib3 | 2.6.0 | 1 |
| healthchecks/ | e82bb0836e30 | urllib3 | 2.6.0 | 1 |
| hhyo/ | 1aa41843419e | urllib3 | 2.6.0 | 1 |
| hiboxsystems/ | 7235809b43b3 | urllib3 | 2.6.0 | 1 |
| hiboxsystems/ | a96c10b61a59 | urllib3 | 2.6.0 | 1 |