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 |
|---|---|---|---|---|
| weblate/ | 69c160d37a3c | urllib3 | 2.6.0 | 2 |
| ghcr.io/ | b1ba7b054af2 | python-pip | 24.0+dfsg-1ubuntu1.3+esm1 | 2 |
| ghcr.io/ | 7962759d99d7 | urllib3 | 2.6.0 | 2 |
| ghcr.io/ | 42002d66ddb3 | urllib3 | 2.6.0 | 2 |
| ghcr.io/ | 33e60bfb40f2 | urllib3 | 2.6.0 | 2 |
| ghcr.io/ | fd8d3e6e4cdf | urllib3 | 2.6.0 | 2 |
| ghcr.io/ | 95ee018cf558 | urllib3 | 2.6.0 | 2 |
| public.ecr.aws/ | 26ac7263a823 | urllib3 | 2.6.0 | 2 |
| quay.io/ | 0b62db8afc9b | urllib3 | 2.6.0 | 2 |
| quay.io/ | f7f8228f17cc | urllib3 | 2.6.0 | 2 |
| quay.io/ | 6a8671702d6f | urllib3 | 2.6.0 | 2 |
| quay.io/ | 716b0b33ff2d | urllib3 | 2.6.0 | 2 |
| quay.io/ | b8d5067137fe | urllib3 | 2.6.0 | 2 |
| quay.io/ | f6ed71d0f9f1 | urllib3 | 2.6.0 | 2 |
| quay.io/ | 464a3af4dfe0 | urllib3 | 2.6.0 | 2 |
| quay.io/ | bb5e052770e5 | urllib3 | 2.6.0 | 2 |
| a10networks/ | 8dc58d434d71 | urllib3 | 2.6.0 | 1 |
| abdullahkhawer/ | 28a6c3f7e0a9 | urllib3 | 2.6.0 | 1 |
| acockburn/ | 3a93281d7e94 | urllib3 | 2.6.0 | 1 |
| adeptiainc/ | 283001e83739 | urllib3 | 2.6.0 | 1 |
| adwerx/ | 840d2b078682 | urllib3 python-urllib3 | 2.6.0 1.25.8-2ubuntu0.4+esm2 | 1 |
| afrank/ | d463c37b08d7 | urllib3 | 2.6.0 | 1 |
| airbyte/ | 3b3a670af168 | urllib3 | 2.6.0 | 1 |
| airsonicadvanced/ | f7cbafac2806 | urllib3 python-urllib3 | 2.6.0 1.25.8-2ubuntu0.4+esm2 | 1 |
| akeyless/ | 4ba8900a0061 | urllib3 | 2.6.0 | 1 |
| alakaganaguathoork/ | 7eb27b0f4a5a | urllib3 | 2.6.0 | 1 |
| alerta/ | 4786b9eaa606 | urllib3 | 2.6.0 | 1 |
| alexvm6/ | fb99ee4f760a | urllib3 | 2.6.0 | 1 |
| allegroai/ | 713ae38f7daf | urllib3 | 2.6.0 | 1 |
| allegroai/ | 772827a01bb5 | urllib3 | 2.6.0 | 1 |
| allegroai/ | fca885e8cfc6 | urllib3 | 2.6.0 | 1 |
| allegroai/ | c58d9da7bdf8 | urllib3 | 2.6.0 | 1 |
| alpine/ | 00ac10bcb759 | urllib3 | 2.6.0 | 1 |
| alpine/ | 21b24e6bf801 | urllib3 | 2.6.0 | 1 |
| alpine/ | 6dbe6f391eda | urllib3 | 2.6.0 | 1 |
| alpine/ | 7a319b15cfc9 | urllib3 | 2.6.0 | 1 |
| alpine/ | 7e1e7d5b7a96 | urllib3 | 2.6.0 | 1 |
| alpine/ | 9c4976d47656 | urllib3 | 2.6.0 | 1 |
| alpine/ | a41efe02a041 | urllib3 | 2.6.0 | 1 |
| alpine/ | bd01dae02676 | urllib3 | 2.6.0 | 1 |
| alpine/ | cd560fce90f7 | urllib3 | 2.6.0 | 1 |
| alpine/ | e5c0b053fed7 | urllib3 | 2.6.0 | 1 |
| alpine/ | eec354133193 | urllib3 | 2.6.0 | 1 |
| alpine/ | fc059f056ad0 | urllib3 | 2.6.0 | 1 |
| amundsendev/ | 69e7915e61c1 | urllib3 | 2.6.0 | 1 |
| amundsendev/ | 4d98eb21f5f9 | urllib3 | 2.6.0 | 1 |
| anchore/ | bde9eedf639d | urllib3 | 2.6.0 | 1 |
| anchore/ | ed9b3badd17c | urllib3 | 2.6.0 | 1 |
| andrcuns/ | 43060f159f4c | urllib3 | 2.6.0 | 1 |
| andrewgolikov55/ | fcc001b61c0e | python-pip | 22.0.2+dfsg-1ubuntu0.7+esm1 | 1 |