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 |
|---|---|---|---|---|
| andreymileshin/ | f7b300bc9e66 | urllib3 | 2.6.0 | 1 |
| andreymileshin/ | e0825acc9e48 | urllib3 | 2.6.0 | 1 |
| andrianrf/ | 047a7837651e | urllib3 | 2.6.0 | 1 |
| apache/ | 64e58748b6b9 | urllib3 | 2.6.0 | 1 |
| apache/ | ce90bdc3d2af | urllib3 | 2.6.0 | 1 |
| apache/ | e5560ad0b86e | urllib3 | 2.6.0 | 1 |
| apachepulsar/ | 16f9fdab3fa6 | python-pip | 22.0.2+dfsg-1ubuntu0.7+esm1 | 1 |
| apachepulsar/ | 3b262ab7a7d9 | urllib3 | 2.6.0 | 1 |
| apachepulsar/ | 4db6ff0b4045 | urllib3 | 2.6.0 | 1 |
| apachepulsar/ | 9c9947de139d | python-pip | 22.0.2+dfsg-1ubuntu0.7+esm1 | 1 |
| apachepulsar/ | d056c89b7131 | urllib3 | 2.6.0 | 1 |
| apachepulsar/ | d538416d5afe | urllib3 | 2.6.0 | 1 |
| apache/ | 76c176e8a0e4 | urllib3 python-pip | 2.6.0 22.0.2+dfsg-1ubuntu0.7+esm1 | 1 |
| apache/ | 975ab033580d | urllib3 | 2.6.0 | 1 |
| apache/ | ab9467fd712c | urllib3 | 2.6.0 | 1 |
| apecloud/ | 8ac9947a2c84 | urllib3 | 2.6.0 | 1 |
| apecloud/ | 98abc64aa985 | urllib3 | 2.6.0 | 1 |
| apecloud/ | ff2858eab9cc | urllib3 | 2.6.0 | 1 |
| apsl/ | 51e2de5c2c70 | urllib3 | 2.6.0 | 1 |
| aquasec/ | 0bf607ce9308 | urllib3 | 2.6.0 | 1 |
| aristidetm/ | 469dbc951224 | urllib3 | 2.6.0 | 1 |
| aristidetm/ | ccb516cb8474 | urllib3 | 2.6.0 | 1 |
| arthurjguerra18/ | f540af20b307 | urllib3 | 2.6.0 | 1 |
| arunvelsriram/ | 655ad18fd8d6 | urllib3 python-pip python-urllib3 | 2.6.0 24.0+dfsg-1ubuntu1.3+esm1 2.0.7-1ubuntu0.3 | 1 |
| assistiot/ | 0aacefac9677 | urllib3 | 2.6.0 | 1 |
| assistiot/ | 0518b63a2e69 | urllib3 | 2.6.0 | 1 |
| assistiot/ | 0fce3ea719a5 | urllib3 | 2.6.0 | 1 |
| assistiot/ | 792715dd3084 | urllib3 | 2.6.0 | 1 |
| assistiot/ | 30812ba93555 | urllib3 python-pip | 2.6.0 22.0.2+dfsg-1ubuntu0.7+esm1 | 1 |
| assistiot/ | 44a37b00d4f8 | urllib3 | 2.6.0 | 1 |
| assistiot/ | a942dc14030a | urllib3 | 2.6.0 | 1 |
| assistiot/ | 8b5d118bdf0e | urllib3 | 2.6.0 | 1 |
| assistiot/ | 7d6a0d534c7f | urllib3 | 2.6.0 | 1 |
| assistiot/ | 38b003e55ff3 | urllib3 | 2.6.0 | 1 |
| assistiot/ | b1dbe4d62a03 | urllib3 | 2.6.0 | 1 |
| assistiot/ | e32b87786142 | urllib3 | 2.6.0 | 1 |
| assistiot/ | e5ae539ce2cb | urllib3 python-urllib3 | 2.6.0 1.25.8-2ubuntu0.4+esm2 | 1 |
| balihb/ | ee48e79f5d76 | urllib3 | 2.6.0 | 1 |
| baserow/ | e0b3c8130b91 | urllib3 | 2.6.0 | 1 |
| baserow/ | df0c42eb67e8 | urllib3 | 2.6.0 | 1 |
| bbvalabs/ | 3ea299ae63c0 | urllib3 | 2.6.0 | 1 |
| benbusby/ | f77f7e6e4ad2 | urllib3 | 2.6.0 | 1 |
| berkeleyskypilot/ | 8da2f3cda472 | urllib3 | 2.6.0 | 1 |
| billimek/ | 801bba1228ac | urllib3 | 2.6.0 | 1 |
| billimek/ | f14ccd7aad0e | urllib3 | 2.6.0 | 1 |
| bmeares/ | 8e9c5bacaa82 | urllib3 | 2.6.0 | 1 |
| bnjbvr/ | 37e216b182c8 | urllib3 | 2.6.0 | 1 |
| bootc/ | f1383295e7be | urllib3 | 2.6.0 | 1 |
| browserless/ | c81ae5585b47 | urllib3 python-urllib3 | 2.6.0 1.25.8-2ubuntu0.4+esm2 | 1 |
| buildkite/ | aec38cfaae0e | urllib3 | 2.6.0 | 1 |