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 |
|---|---|---|---|---|
| localstack/ | 9d278167f2b7 | urllib3 | 2.6.0 | 1 |
| locustio/ | 51d866285170 | urllib3 | 2.6.0 | 1 |
| logiqai/ | 55a574ec5b64 | urllib3 | 2.6.0 | 1 |
| louislam/ | 059b49d64739 | urllib3 | 2.6.0 | 1 |
| louislam/ | 0b55bcb83a1c | urllib3 | 2.6.0 | 1 |
| louislam/ | 3d632903e6af | urllib3 | 2.6.0 | 1 |
| louislam/ | 3e24e96c89ef | urllib3 | 2.6.0 | 1 |
| louislam/ | 4c364ef96aad | urllib3 python-urllib3 | 2.6.0 1.26.12-1+deb12u2 | 1 |
| louislam/ | 91e963bfda56 | urllib3 | 2.6.0 | 1 |
| louislam/ | 96510915e6be | urllib3 | 2.6.0 | 1 |
| louislam/ | 9865163f92c1 | urllib3 python-urllib3 | 2.6.0 1.26.12-1+deb12u2 | 1 |
| louislam/ | a4eab252e5a2 | urllib3 | 2.6.0 | 1 |
| louislam/ | a84767d7934f | urllib3 | 2.6.0 | 1 |
| louislam/ | bc6f244ecf27 | urllib3 | 2.6.0 | 1 |
| lsstdm/ | 74c97a490940 | urllib3 | 2.6.0 | 1 |
| lsstsqre/ | 4143c7cd705e | urllib3 | 2.6.0 | 1 |
| lsstsqre/ | b75bf8aaafa4 | urllib3 | 2.6.0 | 1 |
| lsstsqre/ | 19c2dfc4e4ff | urllib3 | 2.6.0 | 1 |
| lsstsqre/ | 5e0ade6bed1c | urllib3 | 2.6.0 | 1 |
| lsstsqre/ | 4879415ec6ac | urllib3 | 2.6.0 | 1 |
| lsstsqre/ | e139fde946d7 | urllib3 | 2.6.0 | 1 |
| lsstsqre/ | e9feb99f524d | urllib3 | 2.6.0 | 1 |
| makersquad/ | a40dd258c527 | urllib3 python-urllib3 | 2.6.0 1.26.12-1+deb12u2 | 1 |
| matrixdotorg/ | c3c4a9de2a0b | urllib3 | 2.6.0 | 1 |
| 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+esm1 | 1 |
| mediagis/ | c15e941485ef | urllib3 | 2.6.0 | 1 |
| mediagis/ | d0eae7b51374 | urllib3 python-pip | 2.6.0 22.0.2+dfsg-1ubuntu0.7+esm1 | 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 |
| muhammedgamal/ | 74b4cd69b6fa | urllib3 | 2.6.0 | 1 |
| mvitale1989/ | 1504ccda06df | urllib3 | 2.6.0 | 1 |
| nathanielvarona/ | b746a34e5597 | 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 |
| nyurik/ | e0553236e3eb | urllib3 | 2.6.0 | 1 |